35 (2) = 701(2) = 24(2) = 8

4(2) = 83(2) = 62(2) = 4U2) = 22(2) = 43(2) = 63(2) = 62(2) = 43(2)-6

2(2) = 43 (2) ^62 (2)^4

Marks

3514

43212

323

. 2

32

No. ofquestions

TOTALENVIRONMENTAL CHEMISTRYHYDROCARBONS

ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND

TECHNIQUES

SOME P-BLOCK ELEMENTSS-BLOCK ELEMENTSHYDROGENREDOX REACTIONSEQILIBRIUMTHERMODYNAMICS

STATES OF MATTER : GASES AND LIQUIDSCHEMICAL BONDING AND MOLECULAR STRUCTURE

CLASSIFICATION OF ELEMENTS AND PERIODICITY IN

PROPERTIES

STRUCTURE OF ATOM

SOME BASIC CONCEPT OF CHEMISTRY

TITLE

XIVXIII

XIIXIXIXVIIIVIIVIVIV

inIIi

UinitNo.

question Carries 2 Marks.

c^^ 2 3TcJ5 ^ IEach

All questions are Compulsory.

Total Number of Questions are 35^gcT "^^^oft c|t ^RTT 3 5 % I

All are Multiple Choice Questions

BLUE PRINTCHEMISTRY

CLASS- XI

(A) 3 s(B) 3d(C) 3p(D) ^^\^ ik

Fe belongs to which block in the periodic table ?

(A) s-Block(B) p-Block(C)d-Block(D) None of these

3-ilcicf ^l^djfl c^ fct^Tii ceiTcr> ^ 3TcTafcT Fe 3TRTT

(A)ls22s22p63s1 (B)ls22^22p6

(C) Is2 2^2 2p5(D)Using s,p,d notation, the orbital with the quantum number, n=3, / =1 will be

(A) 3 s(B) 3d(C)3p(D) None of these^^R^2TT n=3, l=\

24

(D) None of these(C) Is2 2S2 2p5

2"

(A) 13(C)12

The electronic configuration of ion O2" is

(A) Is2 22 2p6 3s1 (B) Is2 2^2 2p6

(B)10

12

(B)10-(D) None of these

(A) 13(C)12

How many neutrons are present in the nucleus

(B) 14 U(A) 10 U(C)16U

CH

(B) 14 u(D) None of these

(A) 10 u(C)16u

23(B)lxlO(D) 6.022 xlO

22(A) 6.022 x 1022(C)lxlO23

The molecular mass of CH4 is

SET-I

(CHEMISTRY)

(B)lxlO22(D) 6.022 x 102323

22(A) 6.022 x 10(C)lxlO

Avogadro number is equal to

(A) ^^lcr^f cI5T f^RTaT(B) ^-<

(C) ^fRTcT cf5T fcR^T(D)

10 dm3 of hydrogen under 1 bar pressure are contained in a cylinder which hasa movable piston. The piston is moved in until the same mass of gas occupies 2

dm3 at the same temperature. What will be the pressure in the cylinder?

(A) 5 bar(B)6bar(C) 7 bar(D) None of these

(B) Gay Lusac's law(D)None of these

(B) 2(D) <=

(B) t(D),Hmc

(A) 1(C) v3

CIF3 cfDT

(A) 1(C) 3

P/T = Constant is(A) Charles' law(C) Boyle's law

1 o The no. of lone Pairs of C1F3 4(D)

(A) T-

(B) Bent(D)None of these

The shape of H20 is

(A) T- Shape(C) Trigonal pyramidal

(B) SP

(B)(A)(C)

CH4 ^ C

(A)(Q

The hybridisation of C in CH4 is

P-

(B) ns1(A) ns2 np^61-2

(A) ns2 np^6

(A) s-^c^fe(B) p-

(C) d-^cf^^(D)General outer electronic Configuration of p- block element is

(B) ns1'2

"2 (D) None of these

1 2

1 1

8

4

(A) NH2. NH2(B) NH3

NH4+ cm xiH-^oc^l ^rr? cm

1 6 The formula of Conjugate base of species NH4+ is

(A)NH2.NH2(B)NH3(C)N2(D) None of these

(A) Kc = [CH3COCH3 (1)] (B) Kc = [CH3COCH3 (g)]

(C) Kc = [CH3COC2H5 (1)] (D)

1 5 The equilibrium Constant expression for the reaction,

CH3 COCH3 (1) ^ CH3 COCH3 (g) is

(A) Kc ^ [CH3COCH3 (1)] (B) Kc = [CH3COCH3 (g)](C) Kc = [CH3COC2H5 (1)] (D) None of these

CH3 C0CH3 (1) ^ CH3 COCH3 (g)

(A) ^&g\ Uc^c^t cJ5T(B)(C) Tcid^l^i U^e^^dfr cJ5T(D)

1 4 Standard enthalpy of reaction is equal to(A)Standard enthalp^ of formation of products +

Standard enthapies of formation of reactants .

(B)Standard enthalpie^ of formation of products -Standard enthapies of formation of reactants .

(C)Standard enthalp^ of formation of products

Standard enthapies of formation of reactants

(D)None of these.

^ C4Hi0(g)+13/2 o2 (g) —? 4CQ2 (g)+5H2O(l)

ACH =-2658.

c

(A) 5 bar(B)6bar(C)7bar(D)i^ ^

13 The thermo chemical reaction, C4Hi0(g)+13/2 o2(g)—? 4CO2 (g)+5H2O(/) ;

Ac H ^ -2658.OKJ mol"1 is the exmple of(A) enthalpy of combustion(B) enthalpy of atomisation

(C) enthalpy of solution(D) None of these

(C)yf^cl^T ^^ of efteftcTT % I

(D)^^il ^ c^r^2 1 In the reaction,

Ca (HC03)2 + Ca (0H)2? X + 2H2O 'X' is

(A) Ca2C(B) Ca CQ3(C) Both of them(D) None of these

(A) "crf^^^T ^ sTc^r cr^rr 3oif

(B)

2 K(S) + F2 (g) —? 2 KF (S) ^ c^t^r ^rr ^^^ref c^r Sfra^f^^^^r ^tcrr

(A)K(S)(B)F2(g)

2 0 In ^ isolated System(A)Both mass and energy can be exchanged with the surroundings.(B)There is only exchange of energy with surrounding and no exchange of

mass takes place.(C)There is neither exchange of mass nor of energy with the surrounding.

(D)None of these.

(A) +5(B) +6(C) +3(D)

1 9 In the redox reaction,2 K(S) + F2 (g) ?2 KF (S) oxidation of which substance takes place?

(A) K(S)(B) F2 (g)(C) Both of them(D) None of these

1 8 The oxidation number of B in NaBH4 is

(A) +5(B) +6(C)+3(D) None of these

NaBH4 ^t B

(A)[H3O+] = [OH"] (B) [H3 O+] > [OH"](C) [H3^^ ] < [OH"]

(A)[H3O+] = [OH"] (B)[H3O+]>[OH"](C) [H3 O* ] < [OH"] (D) None of these

(C)N21 7 For basic Solution,

(D)(C)

(A)B2H6(B)B3H7(C)B4H10(D)^r^

NaH reacts with B2H6 to give(A) Diborane(B) Orthoboric acid(C) Sodium boro hydride (D) None of these

NaH,B2H6<

The formula of Tetraborane is

(A) B2 H6(B) B3H7(C)B4H10(D) None of these

(D)(C)

o

(A)CaCO2(B)Ca(OH)2(C)CaO(D)^r^

Which among the following is not^(A) Diamond(B) Graphite(C)Coal(D) Phosphorus

(A) Na2O and H2(C)NaandH2

The formula of Quick lime is

(A)CaCO2(B)Ca(OH)2(C)CaO(D) None of these

(B) NaOH and H2O2

2 H2ONa2 O2

? X + 2H2O

(B) Ca C03

Product

(B) NaOH and H2O2(D) None of these

2 2 In the reaction,

Na2 O2 + 2 H2O

the products are(A) Na2O and H2(C)NaandH2

Ca (HCO3)2 + Ca (OH):(A)Ca2C

26

25

2 A

23

(B) Friedel-Crafts alkylation reaction

(D)None of these(A) Halogenation(C) Wurtz reaction

is

+HL+CH3a Anhydrous Aldt3

(D)

CH3

(B) Phenyl free radical

(D) None of these

(B) 4(D)

(B) 4(D)None of these

3 1 The reaction

(A)

(A) 6(C) 5

3 0 C6 H5 is(A) Isopropyl free radical

(C) Benzyl free radical

C6H5%

(A) 6(C) 5

2 9 The number of sigma bonds present in the CH2 = CH2 molecule

(D)

CH3 CH2 CO CH2 CH3 ci5T IUPAC

(A) ^tl^ci- 2 -3TfcT

(B) Butanal(D)None of these

(A)Butan-2-01(C) Pentan-3-one

2 8 IUPAC name of CH3 CH2 CO CH2 CH3 is

(B)(D)(C)

O

(B) Cyclopropane(D)None of these

(A) Cyclobutane(C) Cyclopentane

O is27

(C) Ii o2 (g)(D) None of these2

(B) 12 02 (g)2

•^ 4CO2(g)+5H2O(g

(D) None of these

(B) 11 02 (g)

4CO2(g)+5H2O(g)

C4Hlo(g) + X -'X't

(A) y o,(g)

Heat

CO ^ 02 (g)

(A) 11 o2(g)

C4H10(g) + X'X' is

3 3 In the Combustion reaction of Butane,

(D)

crerr(A)

3 2 The IUPAC name of the products obtained by the Ozonolysis of Pent-2-ene are

(A)Butan-2-one and Ethanal

(B)Propanal and methanal(C)Propanal and Ethanal

(D) None of these

(B)(D)

(A)(C)

+CH3CI Anhydrous Al€$3

CH3

(A) .̂Hc^-hi^c^ 3f^^T(B)

(C) ^HeM^ixH 3T^^T(D)

3 5 Which among the following is not Present in acid rain?

(A) Sulphuric acid(B) Nitric acid(C) Sulphurous acid(D) Acetic acid

(A) - OH(B) - CHO(C) - NO2(D)

3 A The Common ortho and para directing group is

(A) -OH(B) -CHO(C) -NO2(D) None of these

(D)(A)(C)(C)(B)(B)(C)(C)(C)(C)(C)(D)(C)(B)(B)(C)(ft)

(35)(34)(33)(32)(31)(30)(29)(28)(27)(26)(25)(24)(23)(22)(21)(20)(19)

(C)(C)(B)(B)(B)(A)(A)(B)(B)(B)(C)(A)(C)(C)(B)(C)(C)(D)

(18)(17)(16)(15)(14)(13)(12)(11)(10)(9)(8)(7)(6)(5)(4)(3)(2)(1)

Answer

SET-I