10.

11.

12.

13.

14.

Which among the following is not a molecular mechanics force field?
(A) AMBER (B) CHARMM
(C) GROMOS 0) PM3

Select the correct statement regarding Langmuir adsorption isotherm :
(A) Adsorption takes place in multilayer
(B) Adsorption sites are equivalent and the surface is uniform
(0) Adsorbed molecules interact with each other
(D) None of these

The normalized wave functions y, and yw, of the sp hybrid orbitals formed by the
combination of one 2s and one 2p orbital are:

A w= ‏لاج‎ 177.177 = 1௩, പത ൧ ‏ولا + 7ج‎ |, ४५ = न Yop
© [പപ്പ] ൬ ലി = = ८५. - ‏ملا‎
‎v2 2 2 V2

On mixing dilute AgNOs solution with dilute Nal solution, a negatively charged colloidal sol
of AgI was obtained. Select the appropriate condition for the formation of this sol :

(A) Addition of AgNOs to slight excess of Nal

(B) Addition of Nal to slight excess of AgNOs

(C) Mixing equal amounts of AgNO: and Nal

(D) None of these

The entropy change involved when volume of 1 mol of any perfect gas is tripled at constant
temperature is :
(¢^) 2.303Rlog3 ൯ 8

(൫൭ 2.303Rlog1/3 (0) 2.303Rlog3/2

The rate of an enzyme catalysed reaction [ए | + [3] > [ES] is obtained by Michaelis-Menten
equation. If the concentration of the substrate [6] is very small when compared to the
Michaelis constant Kw, the rate of the reaction will be :

(^) First order with respect to [6]

(B) Zero order with respect to [s]

(C) First order with respect to total enzyme concentration [Eo]

(D) Both (A) and (0)

Using Debye Huckel Onsagar equation deduce the factor responsible for increasing the
conductance ratio of a strong electrolyte :

(൧) decreasing concentration (B) increasing temperature
(C) small dielectric constant of the solvent (D) increasing valence of the ions

044/2022 4 A