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Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers...

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Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction has occurred in a redox reaction.
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Page 1: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation Numbers 

HV2O4- V6+

 Is the above equation oxidation or reduction?

Oxidation numbers are used to quickly determine if oxidation or reduction has occurred in a redox reaction.

Page 2: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

Page 3: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2

Page 4: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Page 5: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb

Page 6: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb 0

Page 7: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb 0

Na

Page 8: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb 0

Na 0

Page 9: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb 0

Na 0

O2

Page 10: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 1. All elements are zero:

N2 0

Pb 0

Na 0

O2 0

Page 11: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+

Page 12: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Page 13: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br-

Page 14: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br- -1

Page 15: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br- -1

MgSO4

Page 16: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br- -1

MgSO4 +2

Page 17: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br- -1

MgSO4 +2

Al2O3

Page 18: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 2. Ions are their charge

Na+ +1

Br- -1

MgSO4 +2

Al2O3 -2

Page 19: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O

Page 20: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

Page 21: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2

Page 22: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2 -2

Page 23: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2 -2

O2

Page 24: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2 -2

O2 0

Page 25: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2 -2

O2 0

CH3COOH

Page 26: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2. 

Na2O -2

CO2 -2

O2 0

CH3COOH -2

Page 27: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2 or inperoxides -1.

 Na2O -2

CO2 -2

O2 0

CH3COOH -2

HOOH

Page 28: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 3. The oxidation number of O

in a compound is –2 or inperoxides -1.

 Na2O -2

CO2 -2

O2 0

CH3COOH -2

HOOH -1

Page 29: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1. 

Page 30: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1. 

H2O

Page 31: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1. 

H2O +1

Page 32: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 

H2O +1

C12H24O11

Page 33: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 

H2O +1

C12H24O11 +1

Page 34: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 

H2O +1

C12H24O11 +1

H2

Page 35: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 

H2O +1

C12H22O11 +1

H2 0

Page 36: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 or inmetal hydrides -1.

 H2O +1

C12H24O11 +1

H2 0

NaH

Page 37: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers Oxidation # 4. The oxidation number for H

in a compound is +1 or inmetal hydrides -1.

 H2O +1

C12H24O11 +1

H2 0

NaH -1

Page 38: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

SO42-

Page 39: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s

SO42-

Page 40: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

SO42-

Page 41: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

SO42-

Total charge

Page 42: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

SO42-

Total charge -8

Page 43: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

SO42-

Total charge -8 = -2

Page 44: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

SO42-

Total charge +6 -8 = -2

Page 45: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +6 -2

SO42-

Total charge +6 -8 = -2

Page 46: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +6 -2 +6

SO42-

Total charge +6 -8 = -2

Page 47: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

PO43-

Page 48: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s

PO43-

Page 49: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

PO43-

Page 50: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

PO43-

Total charge

Page 51: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

PO43-

Total charge -8

Page 52: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

PO43-

Total charge -8 = -3

Page 53: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

PO43-

Total charge +5 -8 = -3

Page 54: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +5 -2

PO43-

Total charge +5 -8 = -3

Page 55: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +5 -2 +5

PO43-

Total charge +5 -8 = -3

Page 56: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

Cr2O72-

Page 57: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s

Cr2O72-

Page 58: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Cr2O72-

Page 59: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Cr2O72-

Total charge

Page 60: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Cr2O72-

Total charge -14

Page 61: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Cr2O72-

Total charge -14 = -2

Page 62: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Cr2O72-

Total charge +12 -14 = -2

Page 63: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s -2

Divide by 2 Cr2O72-

Total charge +12 -14 = -2

Page 64: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +6 -2

Cr2O72-

Total charge +12 -14 = -2

Page 65: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Rules for Oxidation Numbers 5. All other oxidation numbers are assigned so that the

sum of all of the oxidation numbers is equal to the charge on the chemical species.

Oxidation #

oxidation #s +6 -2 +6

Cr2O72-

Total charge +12 -14 = -2

Page 66: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Ca(NO3)2

Page 67: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+2

Ca(NO3)2

Page 68: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+2

Ca(NO3)2 +2

Page 69: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Na2C2O4

Page 70: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 -2

Na2C2O4 +2 -8 = 0

Page 71: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 -2

Na2C2O4 +2 +6 -8 = 0

Page 72: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 +3 -2

Na2C2O4 +3+2 +6 -8 = 0

Page 73: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

CH3COOH

Page 74: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #Rewrite

C2H4O2

Page 75: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #Rewrite +1 -2 0

C2H4O2 +4 -4 = 0

Page 76: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Zn(OH)42-

Page 77: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+2 -2 +1 +2

Zn(OH)42-

+2 -8 +4 = -2

Page 78: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

H2PtCl6

Page 79: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 +4 -1 +4

H2PtCl6 +2 +4 -6 = 0

Page 80: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Al(NO3)3

Page 81: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+3 +5 -2 +5

Al(NO3)3 +3 +15 -18 = 0

Page 82: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

H3PO3

Page 83: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 +3 -2 +3

H3PO3 +3 +3 -6 = 0

Page 84: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Na2O2

Page 85: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 -2

Na2O2 +2 -4 = 0

Exception - does not work, O must be -1

Page 86: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+1 -1 -1

Na2O2 +2 -2 = 0

Exception - does not work, O must be -1

Page 87: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

CaH2

Page 88: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+2 +1

CaH2 +2 +2 = 0

Exception - does not work, H must be -1

Page 89: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

+2 -1 -1

CaH2 +2 -2 = 0

Exception - does not work, H must be -1

Page 90: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

Fe(H2O)5(OH)2+

Page 91: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

0 -1

Fe(H2O)5(OH)2+

Water has a charge of 0

OH has a charge of -1

Page 92: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

0 -1

Fe(H2O)5(OH)2+

? + 0 -1 = +2

Page 93: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation #

0 -1 +3

Fe(H2O)5(OH)2+

? + 0 -1 = +2

Page 94: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation Numbers

HV2O4- V6+

 Is the above equation oxidation or reduction?

Page 95: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation Numbers

+3  +6HV2O4

- V6+

 Is the above equation oxidation or reduction?

Page 96: Oxidation Numbers HV 2 O 4 - V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction.

Oxidation Numbers

Increase

+3  +6HV2O4

- V6+

 Is the above equation oxidation or reduction?

If the oxidation number increases it is oxidation.


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