66. Identify the second nuclide formed in the fission reaction :

2
Ut ಸಾ 193Mo+2hn

^) 38 ௫ ஓல ൭ 0) का
67. 191८ is a kind of silicate mineral, which can be simply defined as

(A) Magnesium analogue of kaolin (3) Magnesium analogue of pyrophyllite
(C) Aluminium analogue of serpentine (D) Calcium analogue of kaolin

68. Complete the following equation :
നപ ۷

* வு

(A) > = ருரு) றம்‌: ४ =H;BNEt,

(8) X=H,BNH,; Y = H,BNEt,

(C) X=[BH,(NH,),]BH, ४ = [BH,(NEt,),]BH,

(D) X=H,BNH;; Y = [BH,(NEt,),]BH,
69. How many ந electrons present in trisulfur trinitride anion, [5.0५] ?

(A) 10 (B) 12 (C) 6 (D) 8
70. The number of P-P bond present in a molecule, ‏وذرط‎ is

(A) 1 (B) 0 (0 3 டு) 2
71. Match the List — I (enzymes/coenzymes) with their most appropriate metal ions in List — IT :

List -I List - II
)( | Vitamin 8 ५ (7) |Molybdenum

(ii) (1001116 Anhydrase (൩ 210௦
(iii) _|Catechol oxidase (0) (லேவ
(1५) |Xanthine oxidase (0) |Copper

(^^) i-p; 1-0; ili-m; iv-n (8) 1-0 ii-m; iii-p; iv-o
(6) i-p; ii-n; 1-0; एन (2) 1-0; ii-n; 11-0; iv-m
72. Match the List ~ I (types of nitrides) with their example in List — 11:
List —I List — 11
(1) Tonic nitrides (೧) வட,

(11) {Covalent nitrides ൩ WN
(11) |Metallic 11111608 = (0) 25५

)0( |Na,N
(A) 1-0; 1-0; 111-൨ (8) 1-; 11-0; 111൩
(6) 1-0; 1-1; 11-02 (2) 1-೫ 1-1; ‏متا‎

73. The term symbol for a ground state of carbon atom is 220. Here the value '0' describes
(A) Total electron spin (B) Total angular momentum
_ ட... ‏رما‎ Spin multiplicity ൬) _ Total orbital angular momentum _
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