ONLY ONE OPTION IS CORRECT
Q.1 Whichis incorrectlymatched?
(A) CsBr3 l Cs+ + 
3
Br (B) I4O9 l I3+ + 3
3 )
IO
( 
(C) AgBrO3 l Ag+ + 
3
BrO (D) I2O4 l 
2
IO + 
2
IO
Q.2
(A) (X) = Pyrophosphoric acid (liquid), (Y) = Metaphosphoric acid (liquid)
(B) (X) = Pyrophosphoric acid (liquid), (Y) = Metaphosphoric acid (solid)
(C) (X) = Pyrophosphoric acid (solid), (Y) = Metaphosphoric acid (solid)
(D) (X) = Pyrophosphoric acid (solid), (Y) = Metaphosphoric acid (liquid)
Q.3 H3PO2 


(X) + PH3 ; is
(A) Dehydrationreaction (B) Oxidationreaction
(C) Disproportionationreaction (D) Dephosphorelationreaction
Q.4 Which ofthe following species is not a pseudohalide?
(A) CNO– (B) RCOO (C) OCN– (D) 
3
N
Q.5 Anorangesolid (X) onheating, givesa colourless gas(Y) and agreenresidue(Z). Gas(Y)ontreatement
with Mg, produces a white solid substance .................
(A) Mg3N2 (B) MgO (C) Mg2O3 (D) MgCl2
Q.6 Conc. HNO3 is yellow coloured liquid due to
(A) dissolution ofNO in conc. HNO3 (B) dissolution of NO2 inconc. HNO3
(C) dissolution ofN2O in conc. HNO3 (D) dissolutionofN2O3 inconc. HNO3
Q.7 A gas at low temperature does not react with the most ofcompounds. It is almost inert and is used to
create inert atmosphere in bulbs. The combustionofthis gas is exceptionallyan endothermic reaction.
Based onthe given information, we can conclude that thegas is
(A) oxygen (B)nitrogen (C) carbonmono-oxide (D) hydrogen
Q.8 Whenchlorinegasispassedthroughanaqueoussolutionofapotassiumhalideinthepresenceofchloroform,
a voilet colourationis obtained. Onpassing more ofchlorinewater, the voilet colour is disappeared and
solutionbecomescolourless. Thistest confirmsthe presence of...........inaqueous solution.
(A)chlorine (B)fluorine (C) bromine (D) iodine
Q.9 H3PO2 

 

C
140
A 

 

C
160
B 

 

C
250
C 

 

C
316
D
Compound (D) is
(A) H2PO3 (B) H3PO3 (C) HPO3 (D) H4P2O7
Q.10 Anexplosivecompound(A)reactswithwaterto produceNH4OHandHOCl.Then, thecompound(A), is
(A) TNG (B) NCl3 (C) PCl3 (D) HNO3
Q.11 An inorganic salt (A) is decomposed at about 523 Kto give products (B) and (C). Compound (C) is a
liquidat roomtemperatureandisneutralto litmuspaperwhileoxide(B)onburningwithwhitephosphorous,
givena dehydrating agent (D). Compounds (A), (B), (C) and (D) willbe identified as
(A) NH4NO3, N2O, H2O, P2O5 (B) NH4NO2, K2O, H2O, P2O5
(C) CaCO3 , CaO, H2O, CaCl2 (D) CaCO3 , CaO, H2O, Ca(OH)2

Q.25 In a molecule ofphosphorus (V)oxide, there are
(A) 4P–P, 10P–O and 4P=O bonds (B) 12P–O and 4P=O bonds
(C) 2P–O and 4P=P bonds (D) 6P–P, 12P–O and 4P=P bonds
Q.26 The structures of O3 and N3
– are
(A) linear and bent, respectively (B) both linear
(C) both bent (D) bent and linear, respectively
Q.27 When conc. H2SO4 was treated with K4[Fe(CN )6], CO gas was evolved. By mistake, somebody
used dilute H2SO4 instead of conc. H2SO4 then the gas evolved was
(A) CO (B) HCN (C) N2 (D) CO2
Q.28 Z
Y
X
O
A 2
)
Compound
organic
(




Compound (A) inpure formdoes not give ppt. withAgNO3 solution.Amixture cootaining 70%of(A)
and 30% ofether is used as an anaesthetic. Compound (X) and (Y) are oxides while (Z) is a pungent
smelling gas. (X) is a neutraloxide which turns cobalt chloride paper pink. Compound (Y) turns lime
water milkyand produces anacidicsolution withwater. Compounds(A), (X), (y) and (Z) respectively
willbe
(A) CH4, H2O, CO2’ Cl2 (B) CHCI3 , H2O, CO2, Cl2
(C) CH3OH, H2O, CO2, N2 (D) NH2CONH2, H2O, N2O, CO2
Q.29 Aninorganicwhite crystallinecompound (A)hasa rock salt structure. (A)onreactionwithcone. H2SO4
and MnO2, evolves apungent smelling, greenish-yellow gas(B). Compound (A) gives whiteppt. of(C)
withAgNO3 solution. Compounds (A), (B) and (C) willbe respectively
(A) NaCl, Cl2, AgCl (B) NaBr, Br2, NaBr (C) NaCl, Cl2, Ag2SO4 (D) NazCO3 , CO2, Ag2CO3
Q.30 RCl
Si
powder
cu



 
 
R2SiCl2 
 

O
H2 R2Si(OH)2 


 

on
condensati A
A
Compound (A) is
(A) alinear silicone (B) a chlorosilane (C) a linear silane (D) a network silane
Q.31 When oxalic acid reacts with cone. H2SO4 , two gases produced are of neutral and acidic in nature
respectively.Potassiumhydroxideabsorbsoneofthetwo gases.Theproductformedduringthisabsorption
and the gas which gets absorbed are respectively
(A) K2CO3 and CO2 (B) KHCO3 and CO2 (C) K2CO3 and CO (D) KHCO3 and CO
Q.32 Concentrated HNO3 reacts withiodine to give
(A) HI (B) HOI (C) HOIO2 (D) HOIO3
Q.33 Conc. H2SO4 cannot be used to prepare HBr fromNaBr because it
(A) reacts slowlywith NaBr (B) oxidises HBr
(C) reduces HBr (D) disproportionates HBr
Q.34 CH2
COOH
COOH



 

C
150
,
O
P 10
4 X
Compound (X) is
(A) malonic acid (B) carbon suboxide (C) tartaric acid (D) acetic acid
Q.35 Molecular shapes of SF4, CF4 and XeF4 are
(A) the same, with 2, 0 and 1 lone pairs ofelectrons respectively
(B) the same, with 2, 0 and 1 lone pairs ofelectrons respectively
(C) the different, with 0, 1 and 2 lone pairs ofelectrons respectively
(D) the different, with 1, 0 and 2 lone pairs ofelectrons respectively

Q.49 NaH2PO4 
 

C
230
Na2(P3O9) 
 

C
638 (NaPO3)n  D (glossy solid)
Compound (D) is sodiumhexametaphosphate whichis known as
(A) Bunsen’s salt (B) Graham’s salt (C) Reimann’s salt (D) Werner’s salt
Q.50 Three allotropes (A), (B) and (C) ofphoiphorous inthe following change are respectively
(A) white, black, red (B) black, white, red (C) red, black, white (D) red, violet, black
Q.51 Whenaninorganiccompound reacts with SO2 in aqueousmedium, produces (A). (A) onreaction with
Na2CO3, givescompound(B)whichwithsulphur,givesasubstance(C)usedinphotography. Compound
(C) is
(A) Na2S (B) Na2S2O7 (C) Na2SO4 (D) Na2S2O3
Q.52 Boraxisactuallymade oftwo tetrahedra and two triangularunits joined together and should be written
as: Na2[B4O5(OH)4]·8H2O
Consider the following statements about borax:
a. Each boron atomhas four B–O bonds
b. Each boron atomhas three B–O bonds
c. Two boron atoms have four B–O bonds while other two have three B–O bonds
d. Each boron atomhas one –OH groups
Select correct statement(s):
(A) a, b (B) b, c (C) c, d (D) a, c
Question No. 53 to 55 (3 questions)
Read the followingshort write-up and answer the questions at theend ofit
The name 'silica' covers an entire group of minerals, which have the generalformula SiO2, the most
commonofwhichisquartz. Quartz is aframework silicate withSiO4 tetrahedraarranged inspirals. The
spirals canturnina clockwise oranticlockwisedirection–a featurethat results intherebeing two mirror
images, opticallyactive, varieties ofquartz.
Q.53 The following picturesrepresent various silicate anions. Theirformulae are respectively:
(A) 
2
3
SiO 
2
7
3O
Si (B) 
4
4
SiO 
8
10
3O
Si
(C) 
2
4
SiO 
2
9
3O
Si (D) 
4
3
SiO 
8
7
3O
Si
Q.54 
6
9
3O
Si (having three tetrahedral) is represented as:
(A) (B)
(C) both (D) none
Q.55 The silicate anion in the mineral kinoite is a chain of three SiO4 tetrahedra that share corners with
adjacent tetrahedra. The mineralalso contains Ca2+ ions, Cu2+ ions, and water molecules ina 1:1:1 ratio
mineralis represented as:
(A) CaCuSi3O10·H2O (B) CaCuSi3O10·2H2O
(C) Ca2Cu2Si3O10·2H2O (D) noneofthese

Q.59 Ifwe start withSiMeCl3 as the starting material, silicones formed is:
(A)
Me
Me
Me
Me
|
|
|
|
Me
Si
O
Si
O
Si
O
Si
Me
|
|
|
|
Me
Me
Me
Me







 (B)
Me
Me
|
|
O
Si
O
Si
O
|
|
O
O
|
|
O
Si
O
Si
O
|
|
Me
Me












(C) bothofthe above (D) none of the above
Q.60 The molecular shapes ofdiborane is shown:
Consider the followingstatements for diborane:
1. Boron is approximatelysp3 hybridised
2. B–H–B angle is 180°
3. There are two terminalB–H bonds for each boron atom
4. There are only12 bonding electrons available
Ofthese statements:
(A) 1, 3 and 4 are correct (B) 1, 2 and 3 are correct
(C) 2, 3 and 4 are correct (D) 1, 2 and 4 are correct
Question No. 61 to 62 (2 questions)
The followingflow diagramrepresents theindustrialpreparationofnitricacid fromammonia:
NH3 + O2 C
900
)
A
(



 NO
air
)
B
(


 (C) 
 
water HNO3 + NO
(excess air)
Answer thequestions givenbelow:
Q.61 Which lineofentrydescribes theundefined reagents, products andreaction conditions?
A B C
(A) catalyst cool(–25°C) NO2
(B) catalyst cool(–25°C) N2O
(C) catalyst highpressure NO2
(D) highpressure catalyst N2O3
Q.62 Formation of HNO3 when (C) is dissolved in H2O takes place through various reactions. Select the
reaction not observed in this step.
(A) NO2 + H2O  HNO3 + HNO2 (B) HNO2  H2O + NO + NO2
(C) NO2 + H2O  HNO3 + NO (D) noneofthese

ONE OR MORE THAN ONE OPTION MAY BE CORRECT
Q.1 When a compound X reacts withozone in aqueous medium, a compound Yis produced. Ozone also
reacts withYand produces compound Z. Z acts as an oxidising agent, thenX, Yand Z willbe
(A) X = HI, Y = I2 and Z = HIO3 (B) X = KI, Y = I2 and Z = HIO3
(C) X = KI, Y = I2 and Z = HIO4 (D) X = HI, Y = I2 and Z = HIO4
Q.2 Whichofthe following statements is/arecorrect regardingB2H6?
(A) banana bonds are longer but stronger thannormalB–H bonds
(B) B2H6 is also known as 3c–2e compound
(C) the hybrid state of B in B2H6 is sp3 while that of sp2 in BH3
(D) it cannot be prepared byreacting BF3 with LiBH3 inthe presence ofdryether
Q.3 Whichofthe following pairs ofnitratesgives the same gaseous productson thermaldecomposition?
(A) KNO3 and Pb(NO3)2 (B) KNO3 and NaNO3
(C) Pb(NO3)2 and Cu(NO3)2 (D) NaNO3 and Ca(NO3)2
Q.4 2NO2 l N2O4The dimerisation of NO2 is accompanied with
(A) decrease in paramagnetism (B) change incolour
(C) increase in temperature’ (D) increasein paramagnetism
Q.5 C(OH)4 is unstable because a carbon atomcannot hold more than one –OH groups but Si(OH)4 is a
stable compound because
(A) C–O bond energy is low (B) C–O bond energy is high
(C) Si-O bond energy is low (D) Si-O bond energyis high
Q.6 Whichofthe following statements is/arecorrect regarding inter-halogencompoundsofABxtypes?
(A) x may be 1,3,5 and 7
(B)Ais a more electronegativehalogen than B
(C) FBr3 cannot exit
(D) the structures ofClF3 and IF7 show deviation fromnormalstructuresand could be explainedonthe
basis ofVSEPR theory
Q.7 When an inorganic compound (X) having 3e-2e as well as 2e-2e bonds reacts with ammonia gas at a
certaintemperature, gives a compound (Y) iso-structuralwithbenzene. Compound(X) withammonia
at a hightemperature, produces a hard substance (Z). Then
(A) (X) is B2H6 (B) (Z) isknownas inorganic graphite
(C) (Z) havingstructure similar to graphite (D) (Z) havingstructure similar to (X)
Q.8 Boric acid
(A) exists inpolymeric formdue to inter-molecular hydrogenbonding.
(B) isused inmanufacturing ofopticalglasses.
(C) is a tri-basic acid
(D) withborax, it is used in the preparation ofa buffer solution.

ANSWER KEY
ONLY ONE OPTION IS CORRECT
Q.1 D Q.2 B Q.3 C Q.4 B Q.5 A Q.6 B Q.7 B
Q.8 D Q.9 C Q.10 B Q.11 A Q.12 B Q.13 A Q.14 A
Q.15 A Q.16 B Q.17 B Q.18 A Q.19 B Q.20 A Q.21 B
Q.22 A Q.23 B Q.24 A Q.25 B Q.26 D Q.27 B Q.28 B
Q.29 A Q.30 A Q.31 A Q.32 C Q.33 B Q.34 B Q.35 D
Q.36 B Q.37 C Q.38 B Q.39 B Q.40 D Q.41 B Q.42 D
Q.43 A Q.44 A Q.45 B Q.46 B Q.47 D Q.48 C Q.49 B
Q.50 A Q.51 D Q.52 C Q.53 B Q.54 B Q.55 C Q.56 A
Q.57 C Q.58 A Q.59 B Q.60 A Q.61 A Q.62 D Q.63 A
Q.64 B Q.65 C Q.66 A Q.67 C Q.68 C Q.69 A Q.70 A
ONE OR MORE THAN ONE OPTION MAY BE CORRECT
Q.1 A,B Q.2 A,B,C Q.3 B,C Q.4 A,B
Q.5 A,D Q.6 A,C Q.7 A,B,C Q.8 A,B,D
Q.9 A,B Q.10 A,B,C Q.11 A,D Q.12 A,C
Q.13 A,B,C,D Q.14 B,C Q.15 A,C,D