For the equilibrium of the reaction, HgO(s) $\stackrel{}{\rightleftharpoons }$ Hg(g) + $\frac{1}{2}$O₂(g), K_P for the reaction at a total pressure of "P" will be:

1.	\(\mathrm{K}_P={2 \over 3^{3/2}}\mathrm P^{3/2}\)	2.	\(\mathrm{K}_P={2 \over 3^{1/2}}\mathrm P^{1/2}\)
3.	\(\mathrm{K}_P={1 \over 3^{2/3}}\mathrm P^{3/2}\)	4.	\(\mathrm{K}_P={1 \over 3^{2/3}}\mathrm P\)

The Ksp of Ag₂CrO₄, AgCl, AgBr and Agl are, respectively, 1.1x10^-12, 1.8x10^-10, 5.0x10^-13, and 8.3x10^-17. The salt precipitates that last if the AgNO₃ solution is added to the solution containing equal moles of NaCl, NaBr, Nal and Na₂CrO₄ is -

The dissociation of NH₄OH can be suppressed by the addition of

In the reaction, N₂O₄ $\rightleftharpoons$ 2NO₂, $\mathrm{\alpha }$ is that part of N₂O₄ which dissociates. The number of moles at equilibrium will be:

1. ${\left(1-\mathrm{\alpha }\right)}^2$

2. $3\mathrm{\alpha }$

3. $\mathrm{\alpha }$

4. $1+\mathrm{\alpha }$

Inert gas is added to the equilibrium ${\mathrm{PCl}}_5(\mathrm{g}) \rightleftharpoons {\mathrm{PCl}}_3(\mathrm{g})$ $+$ ${\mathrm{Cl}}_2\left(\mathrm{g}\right)$ at constant pressure. The degree of dissociation will :

1. Remain unchanged

2. Decrease

3. Increase

4. Decrease or increase but cannot be predicted with certainty

The most hydrolyzed salt among the following is-

(Assume that K_b of all weak bases is the same)
1. NH₄Cl
2. CuSO₄
3. AlCl₃
4. All are equally hydrolyzed.

In an acidic Buffer solution (CH₃COOH + CH₃COONa), the species mainly present in the solution are:

(Ignore negligible amount)

1. CH₃COOH, CH₃COO^-, CH₃COONa, H⁺

2. CH₃COO^-, Na⁺, CH₃COOH

3. CH₃COONa, CH₃COO-, H⁺

4. CH₃COO^-, Na⁺, H⁺, CH₃COONa

The solubility of BaSO₄ in water is $2.42$ $\times$ ${10}^{-3}$ g/ litre at 298 K. The value of the solubility product will be: (Molar mass of BaSO₄ = 233 gmol^–1)

Mark the conditions that favour the maximum product formation in the given reaction.
 $A_2$ $\left(g\right)$ $$ $+$ $B_2$ $\left(g\right)$ $$ $\leftrightharpoons$ $X_2$ $(g),$ ${∆}_{r}H$ $=$ $-X$ $k$ $J$ $$ 

1. Low temperature and High pressure
2. Low temperature and Low pressure
3. High temperature and High pressure
4. High temperature and Low pressure

At room temperature, MY and NY₃, two nearly insoluble salts, have the same K_sp values of 6.2 x 10^-13. The true statement regarding MY and NY₃ is: