Chemical Equilibrium MCQ Question with Answer

Question No : 1
Once the equilibrium is reached under given condition:

Question No : 2
For the reaction $H_2+I_2\leftrightharpoons 2HI$ the equilibrium constant (K) is

Question No : 3
$PC{L}_5$is kept in a closed container at a temperature of 250 K the equilibrium concentration of the different substances is $\left[PC{L}_5\right]=0.045 moles lite{r}^{-1} \left[PC{L}_3\right]=\left[C{L}_2\right]=0.096 moles lite{r}^{-1}$ The value of equilibrium constant for the reaction $PC{L}_5\leftrightharpoons PC{L}_3+C{L}_2$ will be

Question No : 4
Equilibria are those in which the reactants and products are present in more than phases:

Question No : 5
Equilibrium constant changes with

Question No : 6
The equilibrium constant $\left(K\right)H_{2}S\left(g\right)\leftrightharpoons H_2\left(g\right)+\frac{1}{2}{S}_2\left(g\right)$ at 1400 K is 23.90. The equilibrium constant for the reaction $2H_{2}S\leftrightharpoons 2H_2\left(g\right)+S_2\left(g\right)$ at 1400 K will be

Question No : 7
Equilibrium constant for the reaction $PC{L}_5\leftrightharpoons PC{L}_3+C{L}_2$ is 0.0205 at 230°C and 1 atmospheric pressure if at equilibrium concentration of $PC{L}_5$is 0.235 moles $lite{r}^{-1}$and that of $C{L}_2$= 0.028 moles$li{t}^{-1}$ then conc. of $PC{L}_3$ at equilibrium is