Chemical Sciences 2

8/10/2019 Chemical Sciences 2

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2

1. An aqueous solution of Ni(NO3)

2is green. Addition of aqueous NH

3causes the colour of the solution to

change to blue. If ethylenediamine is added to green solution, the colour changes to the violet. These three

different colours are due to the formation of:

(a) 22

3 2 362 6Ni NO , Ni H O and Ni NH

(b) 22 2

2 36 24Ni H O , Ni NH and Ni en

(c) 22 2


(d) 22 2


2. The increasing order of t values of the d2ions 4 3 2 2

4 4 4 4CrO , MnO , FeO and RuO is :

(a) 2 3 4 24 4 4 4FeO MnO CrO RuO

(b) 3 4 2 24 4 4 4MnO CrO FeO RuO

(c) 2 4 3 24 4 4 4RuO CrO MnO FeO

(d) 4 3 2 24 4 4 4CrO MnO FeO RuO

3. When the two isomers of 3 22

Pt NH Cl react with thiourea (tu), one product is

2

4Pt tu

and the other is

2

3 22Pt NH tu

. The initial isomers are respectively..

(a) 3 22cis Pt NH Cl and 3 22trans Pt NH Cl

(b) 3 22trans Pt NH Cl and 3 22cis Pt NH Cl

(c) square planar and tetrahedral

(d) tetrahedral and square planar

4. The acid catalyzed hydrolysis of trans- n

2Co en Ax

gives cis-product only due to the formation of

(a) Square pyramidal intermediate (b) Trigonal bipyramidal intermediate(c) Pentagonal bipyramidal intermediate (d) Face capped octahedral intermediate.

5. Consider the following redox reactions

(I) 2 3 3 2

2 2 2 26 6 6 6Fe H O Fe H O Fe H O Fe H O

(II) 2 3 3 3

2 2 2 26 6 6 6Co H O Co H O Co H O Co H O

(III) 2 3 3 2

3 3 3 36 6 6 6Co NH Co NH Co NH Co NH

(IV) 4 3 3 46 6 6 6Fe CN Fe CN Fe CN Fe CN The increasing order of rate of electron transfer of these reactions is

(a) III < II < I < IV (b) I < III < II < IV (c) II < III < IV < I (d) I < II < III < IV

6. A solution containing 2.674 g of CoCl3.6H

2O was passed through a cation exchanger. The eluted solution gave

4.305 g ppt. of AgCl with AgNO3solution. The formula of the complex is (atomic mass, Ag = 108, Cl = 35.5,

molar mass of CoCl3.6H

2O = 267.4)

(a) 3 2 35Co NH Cl Cl .NH (b) 3 36Co NH Cl

(c) 3 2 34Co NH Cl Cl.2NH (d) 3 3 33Co NH Cl 3NH


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3

7. The asymmetric nature of visible absorption band of 3

2 6Ti H O

is due to

(a) Laportes allowed transition (b) Laportes forbidden transition

(c) Dynamic Jahn Teller distortion (d) Intensity stealing transtion

8. Number of geometrical isomers for 32Co gly NH py

is:

(a) 3 (b) 4 (c) 5 (d) 6

9. The stabilization of highest oxidation states of transition metals by strong electronegative ligands is due to

bonding:

(a) d L d M (b) p L d M (c) d M p L (d) d M d L

10. The spinels CO3O

4and Fe

2NiO

4are respectively.

(a) Both are normal (b) Both are inverse (c) Normal, inverse (d) Inverse, normal

11. A 100g particle is moving with velocity 100ms1. The wavelength of the particle is

(a) 6.61035m (b) 6.61025m (c) 6.6104m (d) 6.61020m

12. d-orbital involved in sp3d hybridization corresponding to square pyramidal geometry is

(a) xyd (b) yzd (c) 2 2x yd

(d) 2zd

13. The HOMO in CO is

(a) -bonding (b) -bonding (c) -antibonding (d) -non bonding

14. Which of the following is the uncertainty principle?

(a)h

v. x4

(b)h

E t4

(c)h

v. x4 m

(d)h

x. p4 m

15. The numbers of lone pair of electrons in XeF2, XeF4and XeF6are respectivley.(a) 3, 2, 1 (b) 9, 14, 19 (c) 1, 2, 3 (d) 10, 15, 20

16. Metal carbonyl can exhibit the following resonating stretching frequency

(1) M C O (2) M C O (3) M C O

The highest C O stretching frequency for the above resonating structure will be

(a) 1 (b) 2 (c) 3 (d) Difficult to analyze

17. Which of the following statement is not true about elimination reaction(a) This reaction is most common decomposition route for alkyl-ligand from the metal

(b) This process requireds a vacant co-ordination site on the metal

(c) The -hydrogen should not be present in the alkyl ligand present on the metal for -elimination.

(d) Some of the metal complex having -hydrogen inspite of there they do not undergoes -elimination.

18. The -accepting properties of some PR3ligands follow the ordering.

(a) 3 3 33 3PF P OPh P OMe PPh PMe

(b) 3 3 33 3P OPh PF P OMe PMe PPh

(c) 3 3 33 3PPh PMe P OMe P OPh PF

(d) 3 3 3 333PF P OMe P OPh PPh PMe


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19. In the IR spectrum of free 3 2 C CCH CH CH , comes at 1652 cm1but when this alkene is attached with

Pt it forms a compex such as 23 3 2K PtCl CH CH CH the corresponding absorption should be(a) Increase (b) Decrease

(c) Remains unaffected (d) Data is insufficient.

20. Reaction of OsO4

with CO at 125C and 75 atm was found to result in stable compound A with emperical

formula OsC4O

4. Compound A was found to excess of sodium metal followed by treatment with H

3PO

4was

found to result in compound B with the molecular formula OsH2C

4O

4. Heating of B was found to result in

the release of a colourless gas and formation of a compound C with empirical formula OsHC4O

4, C on

treatment with methyl Iodide was found to get converted to D with release of hydrocarbon gas D. On

further treatment with NaHg followed by methyl iodide gave E, with emperical formula OsC5H

3O

4com-

pound A E obey 18 electron rule and all of them show IR absorption in the vicenity of 2000cm1. Onaccount of above information which of the following is/are not correct.

(a) Compound B can exhibit 1H NMR spectrum at negative chemical shift value.

(b) Compound C has one metal-metal bond and all the Cos are terminal.

(c) Compound D is 2 28Os CO I and evolution of the hydrocarbon gas is CH4.

(d) Compound D upon treatment with Na/Hg forms 4

Os CO I

21. The correct combination of metal, number of carbonyl ligands and charge for metal carbonyl complex

z

xM CO

that satisfies the 18 electron rule is

(a) M Os, x 6, z 2 (b) M Fe, x 4, z 2

(c) M Ru, x 8, z 0 (d) M Ir, x 5, z 4

22. The structure of carborane and metalloborane with the formula C2B8H14and B3H7[Os(CO)3]2are respec-tively.

(a) Nido, Nido (b) Arachno, Closo (c) Nido, Arachno (d) Arachno, Nido

23. The complexes of general formula 3 3

fac Mo CO phosphine have the C O stretching bands as given

below

Phosphine: (A) PF3

(B) P(OPh)3

(C) P(OMe)3

(D) PPh3

1

C O in cm

: (i) 1945 (ii) 1977 (iii) 2040 (iv) 2090

The correct combination of the phosphine and streching frequency is

(a) A-i, B-ii, C-iii, D-iv (b) A-ii, B-i, C-iv, D-iii

(c) A-iv, B-iii, C-ii, D-i (d) A-iii, B-iv, C-i, D-ii

24. Consider the catalyst in Column-I and reaction in Column-II

Column-I Column-II

(A) PdCl4

2, CuCl (i) Wilkinsons catalyst

(B) Pd(dba)2(PPh

3)

2(ii) Wacker process

(C) 4Co(CO)4

(iii) Suzuki coupling

(D) Rh(PPh)3Cl (iv) Hydroformylation/Oxo process

the best match of a catalyst of column-I with the reaction under column-II is

(a) A-ii, B-i, C-iv, D-iii (b) A-i, B-ii, C-iii, D-iv

(c) A-ii, B-iii, C-iv, D-i (d) A-iv, B-iii, C-ii, D-i


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25. For the reaction, t rans-[ I rCl(CO)(PPh3)

2]+ O

2P which of the following observation is not true.

(a) It is an example of oxidative addition.

(b) The O free2 is greater than that of the product

(c) The bond order of O2decreases from 2 to 1

(d) The C O of the reactant is greater than that of the product.

26. In photosynthetic ferrodoxin, the number of iron atoms, sulfur bridges and cysteine ligands are

Fe-atom Sulfur bridge cysteene

(a) 4 4 4

(b) 2 4 4

(c) 3 2 4

(d) 2 2 4

27. Which of the following enzyme is responsible for nitrogen fixation

(a) Nuclenase (b) Arginase (c) Nitrogenase (d) Trypsin

28. Match the following

P. Hemocyanin 1. electron transportQ. Cytochrome 2. Siderophore

R. Valinomycin 3. Organometallic enzyme

S. Carboxy Peptidase 4. Ionophore

5. Oxygen carrier

6. Peptide hydrolysis.

(a) P-5, Q-1, R-4, S-6 (b) P-1, Q-5, R-4, S-6

(c) P-5, Q-1, R-3, S-6 (d) P-5, Q-4, R-1, S-6

29. The metalloenzyme Galactose oxidase is responsible for

(a) Oxidation of aldehyde to acid

(b) Oxidation of alcohol to amine(c) Oxidation of alcohol to aldehyde and hydrogen peroxide

(d) Reduction of aldehyde to alcohol

30. The correct order of second ionization energy of carbon, nitrogen, oxygen and fluorine is

(a) C > N > O > F (b) O > N > F> C (c) O > F > N > C (d) F > O > N > C

31. Electronegativity of the following elements increases in the order

(a) C, N, Si, P (b) N, Si, C, P (c) Si, P, C, N (d) P, Si, N, C

32. Which of the following has the highest ionization energy

(a) Al (b) S (c) Si (d) P

33. Which of the following has maximum tendency to form uninegative ion in the gaseous state

(a) F (b) Cl (c) Br (d) I

34. When one mole of following alkali metals react with excess of water the maximum heat is generated in case of

(a) Li (b) Na (c) K (d) S

35. Which one of the following molecules is planar

(a) PCl3

(b) ClO4 (c) CO

32 (d) NH

3

36. In tetrathionate ion, S4O

6

2, the number of sulphur atoms having zero oxidation state is:

(a) 1 (b) 2 (c) 3 (d) 4

37. PbI4is not known because of(a) Large size of lead (b) Large size of iodine

(c) Nature of Ioxidising (d) Oxidising power of Pb(+IV)


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38. Which of the following is least basic

(a) CH3NH

2(b) NH

3(c) Pyridine (d) RC N

39. Which of the following nitrogen oxide is produced when Fe2+reduces NO3.

(a) NO (b) NO2

(c) N2O (d) N

2O

3

40. In which of the following pairs, both the species have the same hybridisation.

(a) 4 4SF , XeF (b) 3 2I , XeF (c) 4 4ICl , SiCl (d) 2 33 4CO , PO

41. An acid with peroxide linkage

(I) H2SO

5(II) H

2S

2O

6(III) H

2S

2O

8(IV) H

2S

2O

7

(a) I, II, III only (b) I, III only (c) II, IV only (d) IV only

42. The compound that cannot be formed by Xe is

(a) XeO3

(b) XeF4

(c) XeCl4

(d) XeO2F

2

43. The substance having lowest boiling point is

(a) HCl (b) HF (c) HBr (d) HI

44. The bond order of O2in 3 g

is:

(a) 2 (b) 2.5 (c) 1.5 (d) None of these


Column-I Column-II

(A) Strongest Bronsted acid (i) 4-methyl pyridine

(B) Strongest Bronsted base (ii) 2-methyl pyridine

(C) Strongest base to H+(gasphase) (iii) TeH2

(D) Strongest base to BMe3

(iv) SbH3

(v) (CH3)

3N

(vi) (CH3)2NH(vii) PH

3

(viii) NH3

(a) A-iv, B-vii, C-vi, D-ii (b) A-iii, B-viii, C-vi, D-ii

(c) A-iv, B-vii, C-v, D-i (d) A-iii, B-viii, C-v, D-i

46. The reaction given below can be explained by

3 2 4BF 2ClF Cl F BF

(a) Lewis concept (b) Unsanovich concept

(c) Lewis and unsonovich concept (d) Lewis and Solvent concept

47. Decreasing order of stability in water of following compound PbCl2, PbBr

2, PbI

2, PbS

(a) PbI2> PbBr

2> PbCl

2> PbS (b) PbS > PbI

2> PbBr

2> PbCl

2

(c) PbCl2> PbBr

2> PbI

2> PbS (d) PbS > PbCl

2> PbBr

2> PbI

2

48. As it is well known that free radicals have high electron affinity therefore on the basis of electron affinity, what

is the actual order of acidity in between SO3, SO

2and OH (free radicals)

(a)3 2SO SO OH (b) 3 2OH SO SO (c) 3 2SO OH SO (d) 3 2SO SO OH

49. According to Fajans rule For a given anion colvant character of cation increases with decrease in size, and

hence in overall solubility of compounds decrease with increase in covalent character. On the basis of this rule

alkaline earth carbonate should follow MgCO3< CaCO3< SrCO3< BaCO3order of increasing solubility(a) Rule is wrong but order is correct (b) Rule is correct but order is incorrect

(c) Rule and order both are correct (d) Rule and order both are incorrect.


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50. The correct match of following is

(1) Unsanovich concept (A) Oxides of N, P, S act as acid

(2) Lux-food concept (B) Cation works as acid

(3) Solvent system concept (C) Electron donor acts as base

(4) Leebeg concept (D) Electron pair donor acts as base

(5) Ingold-Rabinson concept (E) O2acceptor acts as base

(6) Lavasier concept (F) O2donar acts as base

(G) Molecules having Hs replaced by metal

(H) Nucleophile acts as base

(I) Electrophile acts as base

(a) 1-C, 2-F, 3-B, 4-H, 5-A, 6-D (b) 1-C, 2-F, 3-B, 4-G, 5-H, 6-A

(c) 1-G, 2-A, 3-B, 4-H, 5-F, 6-C (d) 1-E, 2-A, 3-B, 4-F, 5-H, 6-C

51. The decay series of a radioactive element is as

A B C D

in the series

(a) A and B are isobars (b) A and C are isobars

(c) A and D are isotopes (d) B and C are isotopes

52. A certain nuclide has a half life of 40 days. If a sample containing 800 atoms is allowed to decay for 120 days.

The number of atoms that remain undecayed will be

(a) 0 (b) 100 (c) 200 (d) 400

53. The atomic weight of thorium is 232 and its atomic number is 90. At the end of the disintegration of thorium,

lead with atomic weight 208 and atomic number 82 was obtained. The total number of and -particlesemitted in this process are

(a) 6 and 4 (b) 4 and 5 (c) 5 and 6 (d) 6 and 5

54. A radioactive element has a half life of one day. After three days the amount of the element left will be

(a)1

2of the original amount (b)

1

4of the original amount

(c)1

8of the original amount (d)

1


55. The activity of radio isotopes changes with

(a) Temperature (b) Pressure

(c) Chemical environment (d) None of these

56. A sample of rock from moon contains equal number of atoms of uranium and lead 91/2t for U 4.5 10 years .The age of the rock would be

(a) 4.5109years (b) 9.0109years (c) 13.5109years (d) 2.25109years

57. Which of the following statement is not correct?

(a) Nd(OH)3is more basic than Eu(OH)

3

(b) In lanthanoids series ionic radius of Ln3+ion increase

(c) La is actually on element of transition series rather lanthanides.

(d) Atomic radius of Zr and Hf are same because of lanthanide contraction.

58. Which of following statement is correct?

(a) Lanthanoids shows more variable oxidation state than actinoids.

(b) Peak of specta of lanthanoids are more broader than actinoids of peaks.(c) Lanthanoids rarely show isomerism

(d) Complex formation ability of actinoids is greater than that of Lanthanoids.


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59. Which of following is incorrect statement about spectra of lanthanoids?

(a) They show large number of peaks

(b) Intensity of absorption is weak

(c) Spectra are largely dependent on the ligand type

(d) They show sharp absorption

60. Lanthanoids ions shows luminescence because

(a) Due to strong spleting of f-orbitals(b) Due to strong contraction between f-orbital of metal and ligands.

(c) They have large number of microstates

(d) They have less number of microstates.

61. Which of the following combination of most stable oxidation of actinoids is true?

(a) Th(IV), Pa(IV) (b) U(V), Np(V) (c) Lr(III), Nb(III) (d) Th(VI), Pu(IV)

62. The pair of lanthanodis having highest ionisation energy?

(a) Eu, Gd (b) Dy, Yb (c) Eu, Yb (d) Sm, Eu

63. Yellow colour solution of FeCl3changes to light green when

(a) SnCl2 is added (b) Zn is added (c) H2S gas is passed (d) All are free

64. NaOH2 4 2 2 7KCl conc.H SO K Cr O X Y

X is reddish brown coloured gas soluble in NaOH forming (Y). X and Y are

(a) 2 2 2 3Cr OCl , Na CrO (b) 2 2 2 3Cr OCl , Na CO

(c) 2 2 4CrO Cl, NaCr O (d) 2 2 2 4CrO Cl , Na CrO

65. Turnbulls blue and Prussians blue respectively are

2II II III III

6 6

II III III II

6 6

I Fe Fe CN II Fe Fe CN

III Fe Fe CN IV Fe Fe CN

(a) I, II (b) I, III (c) III, IV (d) IV, III

66. Equivalent mass of a metal is 12g mol1. Hence equivalent mass of its oxides is

(a) 24 g mol1 (b) 0.21 g mol1 (c) 20 gmol1 (d) 34 gmol1

67. How many gram of H3PO

4would be needed to neutralize 100 gm of [Mg(OH)

2]

(a) 66.7 gm (b) 25.2 gm (c) 112.6 gm (d) 166 gm

68. Which one of the chelating agent is used to remove the excess of copper in the body?

(a) D-penicillamine (b) HSC(CH3)2CH(NH2)CONH2(c) Cisplatin (d) None of these

69. How many isomers are possible for C2B

10H

12?

(a) Three (b) two (c) one (d) four

70. In 57 *Fe Mossbauer experiment, source of 14.4 keV (equivalent to 3.481012MHz) is moved towards

absorber at a velocity of 2.2 mm s1. The shift in frequency of the source for this sample is:

(a) 35.5 MHz (b) 25.5 MHz (c) 20.2 MHz (d) 15.5 MHz

71. If Mossbauer spectrum of Fe(Co)5is recorded in the presence of a magnetic field, the original spectrum with

two lines changes into the one with

(a) Three lines (b) Four lines (c) Five lines (d) Six lines


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72. If Os(CO)2(H)

2(PR

3)

2shows

CO bands at 2022 and 1990 cm1and

OsH band at 1926 and 1871 cm1.

What will be the correct structure.

(a)Os

CO

CO

R3P H

H PR

3

(b)Os

H

H

OC CO

R3P PR

3

(c)Os

H

PR3

OC H

R3

P CO(d)

Os

H

CO

R3P H

R3P CO

73. A compound with molecular formula Rh2(CO)

4SO

4exhibit IR bands at 2093, 2035 and 2014 cm1. Deter-

mine the structure of compounds.

(a) Rh CO

OC

OC

Rh

CO

CO

(b) RhO

OC

OC

S

O

O

O

Rh

CO

CO

(c) Rh

OC

OC

OC

Rh

O

S

O

OCO

O

(d) Rh

OOC

OC

Rh

O

S

O

OO O

Rh

CO

CO

74. Which one of the styx code of B10

H14

is:

(a) 4044 (b) 4422 (c) 4440 (d) 4620

75. The metal clusters [Mo2(HPO

4)

4]2, [Re

2Cl

4(PMe

2Ph)

4]+and Re

2Cl

4(PMe

2Ph)

4having the bond order re-

spectively:

(a) 3.0, 3.5, 4.0 (b) 3.0, 3.5, 3.0 (c) 4.0, 3.5, 3.5 (d) 3.5, 3.0, 3.0


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Chemical Sciences Test Series-II

ANSWER KEY

1. (c) 2. (d) 3. (a) 4. (b) 5. (a) 6. (b) 7. (c)

8. (d) 9. (b) 10. (c) 11. (a) 12. (c) 13. (d) 14. (b)

15. (b) 16. (a) 17. (c) 18. (a) 19. (b) 20. (d) 21. (b)

22. (d) 23. (c) 24. (c) 25. (d) 26. (d) 27. (c) 28. (a)

29. (c) 30. (c) 31. (c) 32. (d) 33. (b) 34. (a) 35. (c)

36. (b) 37. (d) 38. (d) 39. (a) 40. (b) 41. (b) 42. (c)

43. (a) 44. (a) 45. (d) 46. (d) 47. (c) 48. (a) 49. (b)

50. (b) 51. (c) 52. (b) 53. (a) 54. (c) 55. (d) 56. (a)

57. (b) 58. (d) 59. (c) 60. (c) 61. (d) 62. (c) 63. (d)

64. (d) 65. (c) 66. (c) 67. (c) 68. (a) 69. (a) 70. (b)

71. (d) 72. (d) 73. (d) 74. (d) 75. (b)

Date: 24-11-2013


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2






(a) 22


(b) 22 2


(c) 22 2


(d) 22 2




(a) 2 3 4 24 4 4 4FeO MnO CrO RuO

(b) 3 4 2 24 4 4 4MnO CrO FeO RuO

(c) 2 4 3 24 4 4 4RuO CrO MnO FeO

(d) 4 3 2 24 4 4 4CrO MnO FeO RuO



2

4Pt tu

and the other is

2

3 22Pt NH tu







2Co en Ax




(I) 2 3 3 2


(II) 2 3 3 3


(III) 2 3 3 2








2O = 267.4)




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3


2 6Ti H O

is due to




is:

(a) 3 (b) 4 (c) 5 (d) 6


bonding:



4and Fe

2NiO

4are respectively.



(a) 6.61035m (b) 6.61025m (c) 6.6104m (d) 6.61020m



(d) 2zd




(a)h

v. x4

(b)h

E t4

(c)h

v. x4 m

(d)h

x. p4 m



(1) M C O (2) M C O (3) M C O













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4






formula OsC4O


3PO

4was


4O



4, C on



3O

4com-






Os CO I


z

xM CO


(a) M Os, x 6, z 2 (b) M Fe, x 4, z 2

(c) M Ru, x 8, z 0 (d) M Ir, x 5, z 4





below

Phosphine: (A) PF3

(B) P(OPh)3

(C) P(OMe)3

(D) PPh3

1

C O in cm

: (i) 1945 (ii) 1977 (iii) 2040 (iv) 2090





Column-I Column-II

(A) PdCl4


(B) Pd(dba)2(PPh

3)


(C) 4Co(CO)4







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5


2]+ O








(a) 4 4 4

(b) 2 4 4

(c) 3 2 4

(d) 2 2 4







5. Oxygen carrier


(a) P-5, Q-1, R-4, S-6 (b) P-1, Q-5, R-4, S-6

(c) P-5, Q-1, R-3, S-6 (d) P-5, Q-4, R-1, S-6
















(a) PCl3

(b) ClO4 (c) CO

32 (d) NH

3


6


(a) 1 (b) 2 (c) 3 (d) 4




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6


(a) CH3NH

2(b) NH



(a) NO (b) NO2

(c) N2O (d) N

2O

3




(I) H2SO

5(II) H

2S

2O

6(III) H

2S

2O

8(IV) H

2S

2O

7



(a) XeO3

(b) XeF4

(c) XeCl4

(d) XeO2F

2




is:



Column-I Column-II





(iv) SbH3

(v) (CH3)

3N


3

(viii) NH3








2, PbI

2, PbS

(a) PbI2> PbBr

2> PbCl


2> PbBr

2> PbCl

2

(c) PbCl2> PbBr

2> PbI


2> PbBr

2> PbI

2










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(a) 1-C, 2-F, 3-B, 4-H, 5-A, 6-D (b) 1-C, 2-F, 3-B, 4-G, 5-H, 6-A

(c) 1-G, 2-A, 3-B, 4-H, 5-F, 6-C (d) 1-E, 2-A, 3-B, 4-F, 5-H, 6-C


A B C D

in the series





(a) 0 (b) 100 (c) 200 (d) 400





(a)1


1


(c)1


1









3









18/30



8





















2II II III III

6 6

II III III II

6 6








2]

(a) 66.7 gm (b) 25.2 gm (c) 112.6 gm (d) 166 gm




10H

12?









19/30



9

72. If Os(CO)2(H)

2(PR

3)

2shows




(a)Os

CO

CO

R3P H

H PR

3

(b)Os

H

H

OC CO

R3P PR

3

(c)Os

H

PR3

OC H

R3

P CO(d)

Os

H

CO

R3P H

R3P CO


4SO



(a) Rh CO

OC

OC

Rh

CO

CO

(b) RhO

OC

OC

S

O

O

O

Rh

CO

CO

(c) Rh

OC

OC

OC

Rh

O

S

O

OCO

O

(d) Rh

OOC

OC

Rh

O

S

O

OO O

Rh

CO

CO


H14

is:

(a) 4044 (b) 4422 (c) 4440 (d) 4620


4)

4]2, [Re

2Cl

4(PMe

2Ph)

4]+and Re

2Cl

4(PMe

2Ph)


spectively:

(a) 3.0, 3.5, 4.0 (b) 3.0, 3.5, 3.0 (c) 4.0, 3.5, 3.5 (d) 3.5, 3.0, 3.0


20/30



10


ANSWER KEY

1. (c) 2. (d) 3. (a) 4. (b) 5. (a) 6. (b) 7. (c)

8. (d) 9. (b) 10. (c) 11. (a) 12. (c) 13. (d) 14. (b)

15. (b) 16. (a) 17. (c) 18. (a) 19. (b) 20. (d) 21. (b)

22. (d) 23. (c) 24. (c) 25. (d) 26. (d) 27. (c) 28. (a)

29. (c) 30. (c) 31. (c) 32. (d) 33. (b) 34. (a) 35. (c)

36. (b) 37. (d) 38. (d) 39. (a) 40. (b) 41. (b) 42. (c)

43. (a) 44. (a) 45. (d) 46. (d) 47. (c) 48. (a) 49. (b)

50. (b) 51. (c) 52. (b) 53. (a) 54. (c) 55. (d) 56. (a)

57. (b) 58. (d) 59. (c) 60. (c) 61. (d) 62. (c) 63. (d)

64. (d) 65. (c) 66. (c) 67. (c) 68. (a) 69. (a) 70. (b)

71. (d) 72. (d) 73. (d) 74. (d) 75. (b)

Date: 24-11-2013


21/30


22/30



2






(a) 22


(b) 22 2


(c) 22 2


(d) 22 2




(a) 2 3 4 24 4 4 4FeO MnO CrO RuO

(b) 3 4 2 24 4 4 4MnO CrO FeO RuO

(c) 2 4 3 24 4 4 4RuO CrO MnO FeO

(d) 4 3 2 24 4 4 4CrO MnO FeO RuO



2

4Pt tu

and the other is

2

3 22Pt NH tu







2Co en Ax




(I) 2 3 3 2


(II) 2 3 3 3


(III) 2 3 3 2








2O = 267.4)




23/30



3


2 6Ti H O

is due to




is:

(a) 3 (b) 4 (c) 5 (d) 6


bonding:



4and Fe

2NiO

4are respectively.



(a) 6.61035m (b) 6.61025m (c) 6.6104m (d) 6.61020m



(d) 2zd




(a)h

v. x4

(b)h

E t4

(c)h

v. x4 m

(d)h

x. p4 m



(1) M C O (2) M C O (3) M C O













24/30



4






formula OsC4O


3PO

4was


4O



4, C on



3O

4com-






Os CO I


z

xM CO


(a) M Os, x 6, z 2 (b) M Fe, x 4, z 2

(c) M Ru, x 8, z 0 (d) M Ir, x 5, z 4





below

Phosphine: (A) PF3

(B) P(OPh)3

(C) P(OMe)3

(D) PPh3

1

C O in cm

: (i) 1945 (ii) 1977 (iii) 2040 (iv) 2090





Column-I Column-II

(A) PdCl4


(B) Pd(dba)2(PPh

3)


(C) 4Co(CO)4







25/30



5


2]+ O








(a) 4 4 4

(b) 2 4 4

(c) 3 2 4

(d) 2 2 4







5. Oxygen carrier


(a) P-5, Q-1, R-4, S-6 (b) P-1, Q-5, R-4, S-6

(c) P-5, Q-1, R-3, S-6 (d) P-5, Q-4, R-1, S-6
















(a) PCl3

(b) ClO4 (c) CO

32 (d) NH

3


6


(a) 1 (b) 2 (c) 3 (d) 4




26/30



6


(a) CH3NH

2(b) NH



(a) NO (b) NO2

(c) N2O (d) N

2O

3




(I) H2SO

5(II) H

2S

2O

6(III) H

2S

2O

8(IV) H

2S

2O

7



(a) XeO3

(b) XeF4

(c) XeCl4

(d) XeO2F

2




is:



Column-I Column-II





(iv) SbH3

(v) (CH3)

3N


3

(viii) NH3








2, PbI

2, PbS

(a) PbI2> PbBr

2> PbCl


2> PbBr

2> PbCl

2

(c) PbCl2> PbBr

2> PbI


2> PbBr

2> PbI

2










27/30



7











(a) 1-C, 2-F, 3-B, 4-H, 5-A, 6-D (b) 1-C, 2-F, 3-B, 4-G, 5-H, 6-A

(c) 1-G, 2-A, 3-B, 4-H, 5-F, 6-C (d) 1-E, 2-A, 3-B, 4-F, 5-H, 6-C


A B C D

in the series





(a) 0 (b) 100 (c) 200 (d) 400





(a)1


1


(c)1


1









3









28/30



8





















2II II III III

6 6

II III III II

6 6








2]

(a) 66.7 gm (b) 25.2 gm (c) 112.6 gm (d) 166 gm




10H

12?









29/30



9

72. If Os(CO)2(H)

2(PR

3)

2shows




(a)Os

CO

CO

R3P H

H PR

3

(b)Os

H

H

OC CO

R3P PR

3

(c)Os

H

PR3

OC H

R3

P CO(d)

Os

H

CO

R3P H

R3P CO


4SO



(a) Rh CO

OC

OC

Rh

CO

CO

(b) RhO

OC

OC

S

O

O

O

Rh

CO

CO

(c) Rh

OC

OC

OC

Rh

O

S

O

OCO

O

(d) Rh

OOC

OC

Rh

O

S

O

OO O

Rh

CO

CO


H14

is:

(a) 4044 (b) 4422 (c) 4440 (d) 4620


4)

4]2, [Re

2Cl

4(PMe

2Ph)

4]+and Re

2Cl

4(PMe

2Ph)


spectively:

(a) 3.0, 3.5, 4.0 (b) 3.0, 3.5, 3.0 (c) 4.0, 3.5, 3.5 (d) 3.5, 3.0, 3.0


30/30

10


ANSWER KEY

1. (c) 2. (d) 3. (a) 4. (b) 5. (a) 6. (b) 7. (c)

8. (d) 9. (b) 10. (c) 11. (a) 12. (c) 13. (d) 14. (b)

15. (b) 16. (a) 17. (c) 18. (a) 19. (b) 20. (d) 21. (b)

22. (d) 23. (c) 24. (c) 25. (d) 26. (d) 27. (c) 28. (a)

29. (c) 30. (c) 31. (c) 32. (d) 33. (b) 34. (a) 35. (c)

36. (b) 37. (d) 38. (d) 39. (a) 40. (b) 41. (b) 42. (c)

43. (a) 44. (a) 45. (d) 46. (d) 47. (c) 48. (a) 49. (b)

50. (b) 51. (c) 52. (b) 53. (a) 54. (c) 55. (d) 56. (a)

57. (b) 58. (d) 59. (c) 60. (c) 61. (d) 62. (c) 63. (d)

64. (d) 65. (c) 66. (c) 67. (c) 68. (a) 69. (a) 70. (b)

71. (d) 72. (d) 73. (d) 74. (d) 75. (b)

Date: 24-11-2013

Date post:	02-Jun-2018
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