63.

64.

65.

66.

67.

69.

70.

Consider the following ligand substitution reaction : V(CO), +. PR, > V(CO),(PR,) + CO. The
reaction rate exhibits the following dependence upon the identity of the phosphorous
nucleophile used, PMe, > PBu, > P(OMe), > PPh,. Identify the type of reaction :

(4) Associative (B) Dissociative
(C) Both associative and dissociative (D) Cannot be predicted
Which compound is most likely to undergo oxidative addition of Hz?
(A) [Fe(Co),] (9) ൫൮൧൭
൫൭ [മറേ ௫) [சால]
The spin only magnetic moment of the complex [Mn(en),Cl, | 18:
(^) 1.73 9 (B) 2.83 ‏قر‎
‎(© 38/೬8 (0) ‏ضر وہ‎
Linkage isomerism in coordination compounds is due to :
(A) Bidentate ligand (B) Chelating ligand
(C) Ambidentate ligand (D) Bridging ligand

An equation that represents the exact relationship between the adsorption and the change of
surface tension of the solvent due to presence of a solute is known as :

(A) Sackur-Tetrode equation (B) Gibbs-Duhem equation ~

(C) Duhem-Margules equation (D) Gibbs adsorption equation
The electric field which is created when charged particles move relative to a stationary liquid
is known as:

(A) Streaming potential (B) Electrophoresis

(൮ Electro-osmosis (D) Sedimentation potential
Thermodynamically, formation erystal defects is an:

(A) Exothermic process (ए) Endothermic process
(C) Neither exothermic nor endothermic (D) May be exothermic or endothermic

The superconductivity is destroyed when the current in the superconductor exceeds a critical
current and this effect is known 88 :

(A) Meissner effect (B) Silsbee effect
(C) Stark effect (D) Josephson effect
The microscopic techniques, which is based on the cantilever principle is =
(A) IR microscopy (B) Atomic Force Microscopy
(C) Scanning Electron microscopy (D) Transmission Electron Microscopy
11 0 6

[P.T.0.]