Relation between Kp and Kc - Practice Questions & MCQ

For the reaction,     the value of    is equal to

For the reaction,   if where the symbols have usual meaning then the value of x is 

Change in volume of the system does not alter the number of moles in which of the following equilibria?

In which of the following reactions, increase in the volume at constant temperature does not affect the number of moles at equilibrium ?

$\mathrm{PCl}_5, \mathrm{PCl}_3$ and $\mathrm{Cl}_2$ are at equilibrium at 500 K in a closed container and their concentrations are $0.8 \times 10^{-3} \mathrm{~mol} \mathrm{~L}{ }^{-1}, 1.2 \times 10^{-3} \mathrm{mol} L^{-1}$ and $1.2 \times 10^{-3} \mathrm{molL}^{-1}$ respectively. The value of $K c$ for the reaction $\mathrm{PCl}_5(\mathrm{~g}) \rightleftharpoons \mathrm{PCl}_3(\mathrm{~g})+\mathrm{Cl}_2(\mathrm{~g})$ will be

For which of the following equilibrium, the value of $K_P$  is not greater than the value of $K_C$  ? 

What is the equilibrium expression for the reaction

At $1200 \mathrm{~K}, K_c=36$ for the reaction: $\mathrm{H}_2(g)+\mathrm{I}_2(\mathrm{g}) \rightleftharpoons 2 \mathrm{HI}(\mathrm{g})$. What is $K_c$ for the following reaction at $1200 \mathrm{~K}$ ?

$
HI(g) \rightleftharpoons \frac{1}{2} H_2(g)+\frac{1}{2} \mathrm{I}_2(g)
$

For a given liquid equlibrium vapour pressure depends upon :-

For the given hypothetical reactions, the equilibrium constants are as follows:

$\begin{aligned} & \mathrm{X} \rightleftharpoons \mathrm{Y} ; \mathrm{K}_1=1.0 \\ & \mathrm{Y} \rightleftharpoons \mathrm{Z} ; \mathrm{K}_2=2.0\end{aligned}$

$\mathrm{Z} \rightleftharpoons \mathrm{W} ; \mathrm{K}_3=4.0$

The equilibrium constant for the reaction $\mathrm{X} \rightleftharpoons \mathrm{W}$ is