Here I am giving you question paper for IIT JEE chemistry subject entrance examination in PDF file attached with it so you can get it easily.

3. The reaction of P4 with X leads selectively to P4O6. The X is
(A) Dry O2 (B) A mixture of O2 and N2
(C) Moist O2 (D) O2 in the presence of aqueous NaOH
Sol. (B)

4. Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular
force of attraction is weakest is
(A) Nylon (B) Poly(vinyl chloride)
(C) Cellulose (D) Natural Rubber
Sol. (D)

7. Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for
Sb2S3 sol is
(A) Na2SO4 (B) CaCl2
(C) Al2(SO4)3 (D) NH4Cl
Sol. (C)

9. The compound(s) formed upon combustion of sodium metal in excess air is(are)
(A) Na2O2 (B) Na2O
(C) NaO2 (D) NaOH
Sol. (A, B) in dry air

10. The correct statement(s) about the compound H3C(HO)HC−CH=CH−CH(OH)CH3 (X) is(are)
(A) The total number of stereoisomers possible for X is 6
(B) The total number of diastereomers possible for X is 3
(C) If the stereochemistry about the double bond in X is trans, the number of enantiomers possible for
X is 4
(D) If the stereochemistry about the double bond in X is cis, the number of enantiomers possible for X is 2
Sol. (A, D)

11. The compound(s) that exhibit(s) geometrical isomerism is(are)
(A) [Pt(en)Cl2] (B) [Pt(en)2]Cl2
(C) [Pt(en)2Cl2]Cl2 (D) [Pt(NH3)2Cl2]
Sol. (C, D

12. The correct statement(s) regarding defects in solids is(are)
(A) Frenkel defect is usually favoured by a very small difference in the sizes of cation and anion
(B) Frenkel defect is a dislocation defect
(C) Trapping of an electron in the lattice leads to the formation of F-center
(D) Schottky defects have no effect on the physical properties of solids
Sol. (B, C)



1) For an irreversible reaction A ----> 2B, the rate is increased by four times when the concentration of A is doubled. The incorrect statement about this reaction is:
1) It is a second order reaction.
2) Half life is independent of initial concentration of A.
3) The unit of the specific rate, k is L mol-1 s-1.
4) Half life is inversely related to the initial concentration of A.
2) The expected major product formed in the following dehydration reaction is:
3) The correct order of ∠FMF bond angles (where M is the central atom) in NSF3, SiF4 and POF3 is:
1) NSF3 > SiF4 > POF3
2) SiF4 > NSF3 > POF3
3) NSF3 > POF3 > SiF4
4) SiF4 > POF3 > NSF3

4) The outer electronic configuration of metal, M in a diamagnetic complex with the formula, M(NH3)(EtNH2)BrCl is (n-1)d8. It does not give any precipitate with silver nitrate. The correct statement about this complex among the following is:
1) Exhibits optical activity.
2) The metal, M undergoes sp3 hybridization.
3) Can show geometrical isomerism.
4) Its aqueous solution exhibits electrical conductivity.
5) The correct radial probability distribution curve for the hydrogen atomic orbital with principal quantum number, n = 3 and azimuthal quantum number, l = 2 is: (4πr2ψ2 = radial probability density function and r = radial distance from the nucleus)

6) For the vaporization process of HI, the molar entropy and molar enthalpy are respectively, 89.0 J K-1 mol-1 and 21.16 kJ mol-1. The temperature at which the value of ΔG becomes zero for this process is:
1) 237800 K
2) 273.8 oC
3) 35.2 K
4) -35.2 oC
7) The incorrect statement regarding the element Ununseptium is:
a) It belongs to group of halogens.
b) It belongs to 7th period of periodic table:
c) It is a radioactive element.
d) It is a strong metal.
8) titanium crystallises in an hcp model . calculate its density (given: a=b=295.3 pm and c= 473 pm)
a) It belongs to group of halogens.
b) It belongs to 7th period of periodic table:
c) It is a radioactive element.
d) It is a strong metal.

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