Q32. The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium $= 99$ )
(1) $[ \mathrm { Rn } ] 5 \mathrm { f } ^ { 10 } 6 \mathrm {~d} ^ { \circ } 7 \mathrm {~s} ^ { 2 }$
(2) $[ R n ] 5 f ^ { 13 } 6 d ^ { \circ } 7 s ^ { 2 }$
(3) $[ \mathrm { Rn } ] 5 \mathrm { f } ^ { 11 } 6 \mathrm {~d} ^ { \circ } 7 \mathrm {~s} ^ { 2 }$
(4) $[ \mathrm { Rn } ] 5 \mathrm { f } ^ { 12 } 6 \mathrm {~d} ^ { \circ } 7 \mathrm {~s} ^ { 2 }$

Q33. Which one of the following molecules has maximum dipole moment?
(1) $\mathrm { NF } _ { 3 }$
(2) $\mathrm { CH } _ { 4 }$
(3) $\mathrm { PF } _ { 5 }$
(4) $\mathrm { NH } _ { 3 }$

Q33. Given below are two statements : Statement I : The correct order of first ionization enthalpy values of $\mathrm { Li } , \mathrm { Na } , \mathrm { F }$ and Cl is $\mathrm { Na } < \mathrm { Li } < \mathrm { Cl } < \mathrm { F }$. Statement II : The correct order of negative electron gain enthalpy values of $\mathrm { Li } , \mathrm { Na } , \mathrm { F }$ and Cl is $\mathrm { Na } < \mathrm { Li } < \mathrm { F } < \mathrm { Cl }$ In the light of the above statements, choose the correct answer from the options given below :
(1) Statement I is true but Statement II is false
(2) Statement I is false but Statement II is true
(3) Both Statement I and Statement II are false
(4) Both Statement I and Statement II are true

Q33. Given below are two statements : Statement I : In group 13, the stability of + 1 oxidation state increases down the group. Statement II : The atomic size of gallium is greater than that of aluminium. In the light of the above statements, choose the most appropriate answer from the options given below :
(1) Both Statement I and Statement II are correct
(2) Statement I is incorrect but Statement II is correct
(3) Both Statement I and Statement II are incorrect
(4) Statement I is correct but Statement II is incorrect

33. (1) & 34. (1) & 35. (2) & 36. (3) \hline 41. (2) & 42. (4) & 43. (2) & 44. (1) \hline 49. (4) & 50. (2) & 51. (6) & 52. (6) \hline 57. (6) & 58. (318) & 59. (4) & 60. (9) \hline 65. (4) & 66. (4) & 67. (1) & 68. (1) \hline 73. (3) & 74. (2) & 75. (1) & 76. (1) \hline 81. (3) & $82 . ( 76 )$ & 83. (2) & 84. (10) \hline 89. (18) & 90. (25) & & \hline \end{tabular}

1. (2)
2. (2)
3. (2)
4. (3)
5. (1)
6. (3)
7. (1)
8. (3)
9. (1000)
10. (60)
11. (4)
12. (4)
13. (3)
14. (3) . (2)
15. (4)
16. (3)
17. (4)
18. (3)
19. (2)
20. (3)
21. (4)
22. (19)
23. (315)
24. (6535)
25. (50)
26. (1)
27. (2)
28. (3)
29. (4)
30. (2)
31. (1)
32. (1)
33. (4)
34. (2)
35. (4)
36. (3)
37. (3)
38. (170)
39. (5)
40. (1600)
41. (1)

Q33. Which of the following material is not a semiconductor.
(1) Silicon
(2) Copper oxide
(3) Germanium
(4) Graphite

Q33. Match List - I with List - II. List - I Reaction
(A) $\mathrm { N } _ { 2 ( \mathrm {~g} ) } + \mathrm { O } _ { 2 ( \mathrm {~g} ) } \rightarrow 2 \mathrm { NO } _ { ( \mathrm { g } ) }$ List - II Type of redox reaction $\left( \right.$ A) $\mathrm { N } _ { 2 ( \mathrm {~g} ) } + \mathrm { O } _ { 2 ( \mathrm {~g} ) } \rightarrow 2 \mathrm { NO } _ { ( \mathrm { g } ) }$ (I) Decomposition
(B) $2 \mathrm {~Pb} \left( \mathrm { NO } _ { 3 } \right) _ { 2 ( \mathrm {~s} ) } \rightarrow 2 \mathrm { PbO } _ { ( \mathrm { s } ) } + 4 \mathrm { NO } _ { 2 ( \mathrm {~g} ) } + \mathrm { O } _ { 2 ( \mathrm {~g} ) }$ (II) Displacement Choose the
(C) $2 \mathrm { Na } _ { ( \mathrm { s } ) } + 2 \mathrm { H } _ { 2 } \mathrm { O } _ { ( \mathrm { I } ) } \rightarrow 2 \mathrm { NaOH } _ { ( \mathrm { aq } . } + \mathrm { H } _ { 2 ( \mathrm {~g} ) }$ (III) Disproportionation
(D) $2 \mathrm { NO } _ { 2 ( \text { g } ) } + 2 ^ { - } \mathrm { OH } ($ aq. $) \rightarrow \mathrm { NO } _ { 2 ( \text { aq. } ) } ^ { - } + \mathrm { NO } _ { 3 ( \text { aq. } ) } ^ { - } + \mathrm { H } _ { 2 } \mathrm { O } _ { ( \mathrm { l } ) }$ (IV) Combination correct answer from the options given below :
(1) (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
(2) (A)-(III), (B)-(II), (C)-(I), (D)-(IV)
(3) (A)-(IV), (B)-(I), (C)-(II), (D)-(III)
(4) (A)-(I), (B)-(II), (C)-(III), (D)-(IV)

Q33.

	List-I		List-II
	$($ Molecule $)$		(Shape)
A.	$\mathrm { NH } _ { 3 }$	I.	Square pyramid
B.	$\mathrm { BrF } _ { 5 }$	II.	Tetrahedral
C.	$\mathrm { PCl } _ { 5 }$	III.	Trigonal pyramidal
D.	$\mathrm { CH } _ { 4 }$	IV.	Trigonal bipyramidal

Choose the correct answer from the options given below:
(1) A-II, B-IV, C-I, D-III
(2) A-III, B-I, C-IV, D-II
(3) A-IV, B-III, C-I, D-II
(4) A-III, B-IV, C-I, D-II

Q33. When $\psi _ { \mathrm { A } }$ and $\psi _ { \mathrm { B } }$ are the wave functions of atomic orbitals, then $\sigma ^ { * }$ is represented by:
(1) $\psi _ { \mathrm { A } } + 2 \psi _ { \mathrm { B } }$
(2) $\psi _ { A } - \psi _ { B }$
(3) $\psi _ { \mathrm { A } } + \psi _ { \mathrm { B } }$
(4) $\psi _ { A } - 2 \psi _ { B }$

Q33. In which one of the following pairs the central atoms exhibit $\mathrm { sp } ^ { 2 }$ hybridization ?
(1) $\mathrm { H } _ { 2 } \mathrm { O }$ and $\mathrm { NO } _ { 2 }$
(2) $\mathrm { BF } _ { 3 }$ and $\mathrm { NO } _ { 2 } ^ { - }$
(3) $\mathrm { NH } _ { 2 } ^ { - }$and $\mathrm { H } _ { 2 } \mathrm { O }$
(4) $\mathrm { NH } _ { 2 } ^ { - }$and $\mathrm { BF } _ { 3 }$

Q33.

\multirow{5}{*}{Match List I with List II}		List - I (Element)		List - II (Electronic configuration)	\multirow{5}{*}{Choose}
	A.	N	I.	$[ \mathrm { Ar } ] 3 \mathrm {~d} ^ { 10 } 4 \mathrm {~s} ^ { 2 } 4 \mathrm { p } ^ { 5 } \mathrm { AR }$
	B.	S	II.	$[ \mathrm { Ne } ] 3 \mathrm {~s} ^ { 2 } 3 \mathrm { p } ^ { 4 }$
	C.	Br	III.	$[ \mathrm { He } ] 2 \mathrm {~s} ^ { 2 } 2 \mathrm { p } ^ { 3 }$
	D.	Kr	IV.	$[ \mathrm { Ar } ] 3 \mathrm {~d} ^ { 10 } 4 \mathrm {~s} ^ { 2 } 4 \mathrm { p } ^ { 6 }$

the correct answer from the options given below:
(1) A-III, B-II, C-I, D-IV
(2) A-II, B-I, C-IV, D-III
(3) A-I, B-IV, C-III, D-II
(4) A-IV, B-III, C-II, D-I

Q34. Number of molecules/ions from the following in which the central atom is involved in $\mathrm { sp } ^ { 3 }$ hybridization is $\mathrm { NO } _ { 3 } ^ { - } , \mathrm { BCl } _ { 3 } , \mathrm { ClO } _ { 2 } ^ { - } , \mathrm { ClO } _ { 3 }$
(1) 4
(2) 3
(3) 2
(4) 1
Q35. Match List I with List II :

List - I	List - II
Mechanism steps	Effect

(A) [Figure] (I) - E effect
(B) [Figure] (II) $- R$ effect
(C) [Figure] (III) + E effect

Match List I with List II :

[Figure]
(D) [Figure] (IV) + R effect
Choose the correct answer from the options given below :
(1) (A) - (IV), (B) - (III), (C) - (I), (D) - (II)
(2) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
(3) (A) - (III), (B) - (I), (C) - (II), (D) - (IV)
(4) (A) - (II), (B) - (IV), (C) - (III), (D) - (I)

Q34. The correct statement/s about Hydrogen bonding is/are A . Hydrogen bonding exists when H is covalently bonded to the highly electro negative atom. B . Intermolecular H bonding is present in o-nitro phenol C . Intramolecular H bonding is present in HF . D . The magnitude of H bonding depends on the physical state of the compound. E. H-bonding has powerful effect on the structure and properties of compounds Choose the correct answer from the options given below:
(1) A, B, D only
(2) A, D, E only
(3) A only
(4) A, B, C only

Q34. The statement(s) that are correct about the species $\mathrm { O } ^ { 2 - } , \mathrm { F } ^ { - } , \mathrm { Na } ^ { + }$and $\mathrm { Mg } ^ { 2 + }$. (A) All are isoelectronic (B) All have the same nuclear charge (C) $\mathrm { O } ^ { 2 - }$ has the largest ionic radii (D) $\mathrm { Mg } ^ { 2 + }$ has the smallest ionic radii Choose the most appropriate answer from the options given below :
(1) (B), (C) and (D) only
(2) (C) and (D) only
(3) (A), (C) and (D) only
(4) (A), (B), (C) and (D)

Q34. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : $\mathrm { NH } _ { 3 }$ and $\mathrm { NF } _ { 3 }$ molecule have pyramidal shape with a lone pair of electrons on nitrogen atom. The resultant dipole moment of $\mathrm { NH } _ { 3 }$ is greater than that of $\mathrm { NF } _ { 3 }$. Reason ( R ) : In $\mathrm { NH } _ { 3 }$, the orbital dipole due to lone pair is in the same direction as the resultant dipole moment of the $\mathrm { N } - \mathrm { H }$ bonds. F is the most electronegative element. In the light of the above statements, choose the correct answer from the options given below :
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) (A) is false but (R) is true
(3) Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
(4) (A) is true but ( $\mathbf { R }$ ) is false

Q34.

\multirow{5}{*}{Match List I with List II}		List - I (Hybridization)		List - II (Orientation in Space)
	A.	$\mathrm { sp } ^ { 3 }$	I.	Trigonal bipyramidal
	B.	dsp ${ } ^ { 2 }$	II.	Octahedral
	C.	$\mathrm { sp } ^ { 3 } \mathrm {~d}$	III.	Tetrahedral
	D.	$\mathrm { sp } ^ { 3 } \mathrm {~d} ^ { 2 }$	IV.	Square planar

Choose the correct answer from the options given below:
(1) A-IV, B-III, C-I, D-II
(2) A-III, B-IV, C-I, D-II
(3) A-III, B-I, C-IV, D-II
(4) A-II, B-I, C-IV, D-III

Q34. The number of ions from the following that are expected to behave as oxidising agent is : $\mathrm { Sn } ^ { 4 + } , \mathrm { Sn } ^ { 2 + } , \mathrm { Pb } ^ { 2 + } , \mathrm { Tl } ^ { 3 + } , \mathrm { Pb } ^ { 4 + } , \mathrm { Tl } ^ { + }$
(1) 3
(2) 2
(3) 1
(4) 4

Q34.

\multirow{6}{*}{Match List I with List II}		List-I		List-II
		(Molecule)		(Shape)
	A.	$\mathrm { Fe } _ { 4 } \left[ \mathrm { Fe } ( \mathrm { CN } ) _ { 6 } \right] _ { 3 } \cdot \mathrm { xH } _ { 2 } \mathrm { O }$	I.	Violet
	B.	$\left[ \mathrm { Fe } ( \mathrm { CN } ) _ { 5 } \mathrm { NOS } ^ { 4 - } \right.$	II.	Blood Red $A$
	C.	$[ \mathrm { Fe } ( \mathrm { SCN } ) ] ^ { 2 + }$	III.	Prussian Blue
	D.	$\left( \mathrm { NH } _ { 4 } \right) _ { 3 } \mathrm { PO } _ { 4 } \cdot 12 \mathrm { MoO } _ { 3 }$	IV.	Yellow

Choose the correct answer from the options given below:
(1) A-III, B-I, C-II, D-IV
(2) A-I, B-II, C-III, D-IV
(3) A-IV, B-I, C-II, D-III
(4) A-II, B-III, C-IV, D-I

Q34. The equilibrium $\mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - } \rightleftharpoons 2 \mathrm { CrO } _ { 4 } ^ { 2 - }$ is shifted to the right in :
(1) an acidic medium
(2) a basic medium
(3) a neutral medium
(4) a weakly acidic medium

Q34. Identify the incorrect statements regarding primary standard of titrimetric analysis. (A) It should be purely available in dry form. (B) It should not undergo chemical change in air. (C) It should be hygroscopic and should react with another chemical instantaneously and stoichiometrically. (D) It should be readily soluble in water. (E) $\mathrm { KMnO } _ { 4 } \& \mathrm { NaOH }$ can be used as primary standard. Choose the correct answer from the options given below :
(1) (A) and (B) only
(2) (C) and (E) only
(3) (B) and (E) only
(4) (C) and (D) only

Q34.

\multirow{5}{*}{Match List I with List II}		List - I		List - II
	A.	Melting Point [K]	I.	T1 > In > Ga > A1 > B
	B.	Ionic Radius $\left[ \mathrm { M } ^ { + 3 } / \mathrm { pm } \right]$	II.	$\mathrm { B } > \mathrm { T } 1 > \mathrm { A } 1 \approx \mathrm { Ga } > \mathrm { In }$
	C.	$\Delta _ { \mathrm { i } } \mathrm { H } _ { 1 } \left[ \mathrm {~kJ} \mathrm {~mol} ^ { - 1 } \right]$	III.	$\mathrm { T } 1 > \mathrm { In } > \mathrm { A } 1 > \mathrm { Ga } > \mathrm { B }$
	D.	Atomic Radius [pm]	IV.	$\mathrm { B } > \mathrm { A } 1 > \mathrm { T } 1 > \mathrm { In } > \mathrm { Ga }$

Choose the correct answer from the options given below:
(1) A-II, B-III, C-IV, D-I
(2) A-IV, B-I, C-II, D-III
(3) A-I, B-II, C-III, D-IV
(4) A-III, B-IV, C-I, D-II

Q35. The number of species from the following that have pyramidal geometry around the central atom is $\_\_\_\_$ . $\mathrm { S } _ { 2 } \mathrm { O } _ { 3 } ^ { 2 - } , \mathrm { SO } _ { 4 } ^ { 2 - } , \mathrm { SO } _ { 3 } ^ { 2 - } , \mathrm { S } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - }$
(1) 4
(2) 3
(3) 2
(4) 1

Q35. Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : Enthalpy of neutralisation of strong monobasic acid with strong monoacidic base is always $- 57 \mathrm {~kJ} \mathrm {~mol} ^ { - 1 }$. Reason (R) : Enthalpy of neutralisation is the amount of heat liberated when one mole of $\mathrm { H } ^ { + }$ ions furnished by acid combine with one mole of $\mathrm { OH } ^ { - }$ions furnished by base to form one mole of water. In the light of the above statements, choose the correct answer from the options given below.
(1) (A) is true but (R) is false
(2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(3) Both (A) and (R) are true and (R) is the correct explanation of (A)
(4) (A) is false but (R) is true

Q35. Given below are two statements : Statement I : On passing $\mathrm { HCl } _ { ( \mathrm { g } ) }$ through a saturated solution of $\mathrm { BaCl } _ { 2 }$, at room temperature white turbidity appears. Statement II : When HCl gas is passed through a saturated solution of NaCl , sodium chloride is precipitated due to common ion effect. In the light of the above statements, choose the most appropriate answer from the options given below :
(1) Both Statement I and Statement II are correct
(2) Statement I is correct but Statement II is incorrect
(3) Both Statement I and Statement II are incorrect
(4) Statement I is incorrect but Statement II is correct

Q35.

\multirow{5}{*}{Match List I with List II}		List - I (Compound/Species)		List - II (Shape/Geometry)	\multirow{5}{*}{Choose the correct}
	A.	$\mathrm { SF } _ { 4 }$	I.	Tetrahedral
	B.	$\mathrm { BrF } _ { 3 }$	II.	Pyramidal
	C.	$\mathrm { BrO } _ { 3 } ^ { - }$	III.	See saw
	D.	$\mathrm { NH } _ { 4 } ^ { + + } \mathrm { KS }$	IV.	Bent T-Shape

answer from the options given below:
(1) A-II, B-III, C-I, D-IV
(2) A-II, B-IV, C-III, D-I
(3) A-III, B-IV, C-II, D-I
(4) A-III, B-II, C-IV, D-I