1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

At a given temperature and pressure, the equilibrium constant values for the equilibria are given below:

$$\begin{aligned} & 3 \mathrm{~A}_2+\mathrm{B}_2 \rightleftharpoons 2 \mathrm{~A}_3 \mathrm{~B}, \mathrm{~K}_1 \\ & \mathrm{~A}_3 \mathrm{~B} \rightleftharpoons \frac{3}{2} \mathrm{~A}_2+\frac{1}{2} \mathrm{~B}_2, \mathrm{~K}_2 \end{aligned}$$

The relation between $$\mathrm{K}_1$$ and $$\mathrm{K}_2$$ is :

A
$$\mathrm{K}_1^2=2 \mathrm{~K}_2$$
B
$$\mathrm{K}_2=\frac{\mathrm{K}_1}{2}$$
C
$$\mathrm{K}_1=\frac{1}{\sqrt{\mathrm{K}_2}}$$
D
$$\mathrm{K}_2=\frac{1}{\sqrt{\mathrm{K}_1}}$$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

For the reaction in equilibrium

$$\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}), \Delta \mathrm{H}=-\mathrm{Q}$$

Reaction is favoured in forward direction by:

A
use of catalyst
B
decreasing concentration of $$\mathrm{N}_2$$
C
low pressure, high temperature and high concentration of ammonia
D
high pressure, low temperature and higher concentration of $$\mathrm{H}_2$$
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

In which of the following equilibria, $$\mathrm{K}_p$$ and $$\mathrm{K}_{\mathrm{c}}$$ are NOT equal?

A
$$\mathrm{PCl}_{5(\mathrm{~g})} \rightleftharpoons \mathrm{PCl}_{3(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{~g})}$$
B
$$\mathrm{H}_{2(\mathrm{~g})}+\mathrm{I}_{2(\mathrm{~g})} \rightleftharpoons 2 \mathrm{HI}_{(\mathrm{g})}$$
C
$$\mathrm{CO}_{(\mathrm{g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \rightleftharpoons \mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_{2(\mathrm{~g})}$$
D
$$2 \mathrm{BrCl}_{(\mathrm{g})} \rightleftharpoons \mathrm{Br}_{2(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{~g})}$$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

For the reaction $$2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{c}}=4 \times 10^{-3}$$. At a given time, the composition of reaction mixture is: $$[A]=[B]=[C]=2 \times 10^{-3} \mathrm{M} \text {. }$$ Then, which of the following is correct?

A
Reaction is at equilibrium.
B
Reaction has a tendency to go in forward direction.
C
Reaction has a tendency to go in backward direction.
D
Reaction has gone to completion in forward direction.
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