PART I : CHEMISTRY
Section-I
(Single Correct Answer Type)
This section contains 8 multiple choice questions. Each question has four choices (A), (B) (C) and (D) out of which ONLY ONE is correct.
1. Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
(A) II, III in haematite and III in magnetite
(B) II, III in haematite and II in magnetite
(C) II in haematite and II, III in magnetite
(D) III in haematite and II, III in magnetite
2. Among the following complexes (K-P),
K3[Fe(CN)6] (K), [Co(NH3)6](K), [Co(NH3)6]Cl3 (L), Na3(Co(oxalate)3] (M), [Ni(H2O)6]Cl2 (N), K2[Pt(CN)4] (O) and [Zn(H2O)6](NO3)2 (P)
the diamagnetic complexes are
(A) K, L, M N
(B) K, M, O, P
(C) L, M, O, P
(D) L, M, N, O
3. Passing H2S gas into a mixture of Mn2+, Cu2+ and Hg2+ ions in an acidified aqueous solution precipitates
(A) CuS and HgS
(B) MnS and CuS
(C) MnS and NiS
(D) NiS and HgS
4. Consider the following cell reaction :
2Fe(s) + O2(g) + 4H+(aq) → 2Fe2+(aq) + 2H2O(I) E° = 1.67 V
At[Fe2+] = 10−3 M, P (O2) = 0.1 atm and pH = 3, the cell potential at 25℃ is
(A) 1.47 V
(B) 1.77 V
(C) 1.87 V
(D) 1.57 V
5. The freezing point (in ℃) of a solution containing 0.1 g of K3[Fe(CN)6] (Mol. Wt. 329) in 100 g of water (Kf = 1.86 K kg mol−1) is
(A) −2.3 × 10−2
(B) −5.7 × 10−2
(C) −5.7 × 10−3
(D) −1.2 × 10−2
6. Amongst the compounds given, the one that would form a brilliant colored dye on treatment with NaNO2 in dil. HCl followed by addition to an alkaline solution of β-naphthol is
(A) 
(B) 
(C) 
(D) 
7. The major product of the following reaction is
(A) a hemiacetal
(B) an acetal
(C) an ether
(D) an ester
8. The following carbohydrate is
(A) a ketohexose
(B) an aldohexose
(C) an α-furanose
(D) an α-pyranose
Section-II
(Multiple Correct Answer(s) Type)
This section contains 4 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONE or MORE may be correct.
9. Reduction of the metal centre in aqueous permanganate ion involves
(A) 3 electrons in neutral medium
(B) 5 electrons in neutral medium
(C) 3 electrons in alkaline medium
(D) 5 electrons in acidic medium
10. The equilibrium
2CuI ⇌ CuO + CuII
in aqueous medium 25℃ shifts towards the left in the presence of
(A) 
(B) Cl−
(C) SCN−
(D) CN−
11. For the first order reaction
2N2O5(g) → 4NO2(g) + O2(g)
(A) the concentration of the reactant decreases exponentially with time.
(B) the half-life of the reaction decreases with increasing temperature.
(C) the half-life of the reaction depends on the initial concentration of the reactant.
(D) the reaction proceeds to 99.6% completion in eight half-life duration.
12. The correct functional group X and the reagent/reaction conditions Y in the following scheme are
(A) X = COOCH3, Y = H2/Ni/heat
(B) X = CONH2, Y = H2/Ni/heat
(C) X = CONH2, Y = Br2/NaOH
(D) X = CN, Y = H2/Ni/heat
Section-III
(Integer Answer Type)
This section 6 questions. The answer to each of the questions is single-digit integer, ranging from 0 to 9.
13. Among the following. the number of compounds than can react with PCl5 to give POCl3 is O2, CO2, SO2, H2O, H2SO4, P4O10
14. The volume (in mL) of 0.1 M AgNO3 required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of [Cr(H2O)5Cl]Cl2, as silver chloride is close to
15. In 1 L saturated solution of AgCl[Ksp(AgCl) = 1.6 × 10−10], 0.1 mol of CuCl [Ksp(CuCl) = 1.0 × 10−6] is added. The resultant concentration of Ag+ in the solution is 1.6 × 10−x. The value of “x” is
16. The number of hexagonal faces that are present in a truncated octahedron is
17. The maximum number of isomers (including stereoisomers) that are possible on monochlorination of the following compound, is
18. The total number of contributing structures showing hyperconjugation (involving C-H bonds) for the following carbocation is
Section-IV
(Matrix-Match Type)
This section contains 2 questions. Each question has four statements (A, B, C and D) given in Column I and five statements (p, q, r, s and t) in Column II. Any given statement in Column I can have correct matching with ONE or MORE statement(s) given in Column II. For example, if for a given question, statement B matches with the statements given in q and r, then for the particular question, against statement B.
19. Match the transformations in Column I with appropriate options in Column II
(A) A – p, r and s ; B – r and s ; C – t ; D : p, q and t
(B) A – p and s ; B – t ; C – p and s ; D : t and r
(C) A – t, p, and s ; B – t and q ; C – r, t and s ; D : q
(D) A – s and p ; B – q ; C – p, t, r and s ; D : s
20. Match the reactions in Column I with appropriate types of steps/reactive intermediate involved in these reactions as given in Column II
(A) A – r, s and t ; B – p and s ; C – r and s ; D – q and r
(B) A – p, q and s ; B – p and t ; C – s and p ; D – q and t
(C) A – q, s and p ; B – q and r ; C – t and p ; D – t and s
(D) A – q, r and s ; B – r and q ; C – p and t ; D – r and q
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