Part – I : Chemistry
SECTION – I (Single Correct Choice Type)
This Section contains 6 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
1. The complex showing a spin-only magnetic moment of 2.82 B.M. is
(A) Ni(CO)4
(B) [NiCl4]2−
(C) Ni(PPh3)4
(D) [Ni(CN)4]2−
2. The species having pyramidal shape is
(A) SO3
(B) BrF3
(C) 
(D) OSF2
3. In the reaction the structure of the product T is
(A) 
(B) 
(C) 
(D) 
4. The compounds P, Q and S
were separately subjected to nitration using HNO3/H2SO4 mixture. The major product formed in each case respectively, is
(A) 
(B) 
(C) 
(D) 
5. The packing efficiency of the two-dimensional square unit cell shown below is
(A) 39.27%
(B) 68.02%
(C) 74.05%
(D) 78.54%
6. Assuming that Hund’s rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is
(A) 1 and diamagnetic
(B) 0 and diamagnetic
(C) 1 and paramagnetic
(D) 0 and paramagnetic
SECTION-II (Integer Type)
This Section contains 5 questions. The answer to each question is a single-digit integer, ranging from 0 to 9.
7. The total number of dirpotic acids among the following is
H3PO4 H2SO4 H3PO3 H2CO3 H2S2O7
H3BO3 H3PO2 H2CrO4 H2SO3
8. Total number of geometrical isomers for the complex [RhCl(CO)(PPh3)(NH3)] is
9. Among the following , the number of elements showing only one non-zero oxidation state is
O, Cl, F, N, P, Sn, Tl, Na, Ti
10. Silver (atomic weight = 108 g mol−1) has a density of 10.5 g cm−3. The number of silver atoms on a surface of area 10−12 m2 can be expressed in scientific notation as y × 10x. The value of x is
11. One mole of an ideal gas is taken from a to b along two paths denoted by the solid and the dashed lines as shown in the graph below. If the work done along the solid line path is ws and that along the dotted line path is wd, then the integer closest to the ratio wd/ws is
SECTION-III (Paragraph Type)
This Section contains 2 paragraphs. Based upon each of the paragraphs 3 multiple choice questions have to be answered. Each of these questions has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
Paragraph for questions 12 to 14
Two aliphatic aldehydes P and Q react in the presence of aqueous K2CO3 to give compound R, which upon treatment with HCN provides compound S. On acidification and heating, S gives the product shown below:
12. The compounds P and Q respectively are
(A) 
(B) 
(C) 
(D) 
13. The compound R is
(A) 
(B) 
(C) 
(D) 
14. The compound S is
(A) 
(B) 
(C) 
(D) 
Paragraph for questions 15 to 17
The hydrogen-like species Li2+ is in a spherically symmetric state S1 with one radial node. Upon absorbing light the ion undergoes transition to a state S2. The state S2 has one radial node and its energy is equal to the ground state energy of the hydrogen atom.
15. The state S1 is
(A) 1s
(B) 2s
(C) 2p
(D) 3s
16. Energy of the state S1 in units of the hydrogen atom ground state energy is
(A) 0.75
(B) 1.50
(C) 2.25
(D) 4.50
17. The orbital angular momentum quantum number of the state S2 is
(A) 0
(B) 1
(C) 2
(D) 3
SECTION-IV (Matrix 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 that particular question, against statement B.
18. Match the reactions in Column I with appropriate options in Column II.
(A) A – r, s, t ; B – t ; C – p, q ; D – r
(B) A – p, q, t ; B – s ; C – r, t ; D – s
(C) A – t, s, p ; B – q ; C – s, t ; D – q
(D) A – r, q, p ; B – p ; C – r, q ; D – p
19. All the compounds listed in Column I react with water. Match the result of the respective reactions with the appropriate options listed in Column II.
(A) A – t, s, p ; B – q ; C – s, t ; D – q
(B) A – p, s ; B – p, q, r, t ; C – p, q, t ; D – p
(C) A – t, r ; B – s, q, p, t ; C – s, r, p ; D – t
(D) A – r, t ; B – s, p, q, t ; C – s, p, r ; D – r
Latest Govt Job & Exam Updates: