Chemical Equilibrium

Which of the following lines correctly show the temperature dependence of equilibrium constant$K,$ for an exothermic reaction?

For a reaction $X+Y=2Z,1.0\mathrm{mol}$ of $X,1.5\mathrm{mol}$ of $Y$and $0.5\mathrm{mol}$ of $Z$ were taken in a $1L$ vessel andallowed to react. At equilibrium, the concentration of $Z$ was $1.0\mathrm{molL}^{-1}$.…

For the reaction $A+B\rightleftharpoons\,2C$ the value of equilibrium constant is $100$ at $298K$. If the initial concentration of all the three species is $1M$each, then the equilibrium concentration of $C$ is…

Solid carbon, CaO and CaCO$_3$ are mixed and allowed to attain equilibrium at T K. $\text{CaCO}_3(s) \rightleftharpoons \text{CaO}(s) + \text{CO}_2(g) \quad K_{p_1} = 0.08$ atm $\text{C}(s) + \text{CO}_2(g)…

For the following reaction at $50^{\circ}$C and at $2$ atm pressure, $2N_2O_5(g) \rightleftharpoons 2N_2O_4(g)+O_2(g)$ $N_2O_5$ is $50\%$ dissociated. The magnitude of standard free energy change at this temperature is…

$\mathrm{PCl}_{5}\rightleftharpoons\,\mathrm{PCl}_{3}+\mathrm{Cl}_{2}K_{c}=1.844$ $3.0$moles of $\mathrm{PCl}_{5}$ is introduced in a $1L$ closed reaction vessel at $380K.$The number of moles of$\mathrm{PCl}_{5}$ at…

Water decomposes at $2300K$ $H_{2}O\left(g\right)\rightarrow\,H_{2}\left(g\right)+\frac{1}{2}O_{2}\left(g\right)$ The percent of water decomposing at $2300K$ and 1 bar is _____ (Nearest integer). Equilibrium constant…

The equilibrium constant for the reaction$A(s)\rightleftharpoons\,M(s)+\frac{1}{2}O_{2}(g)$is $K_{p}=4.$ At equilibrium, the partial pressure of $O_{2}$ is_____atm. (Round off to the nearest integer)

The values of pressure equilibrium constant recorded at different temperatures for the following equilibrium reaction have been given below $A(g) \rightleftharpoons B(g) + C(g)$ $\dfrac{1}{T}(\text{K}^{-1})$$\log_{10}…

At $1990K$ and $1\mathrm{atm}$pressure, there are equal number of $\mathrm{Cl}_{2}$ molecules and $\mathrm{Cl}$ atoms in the reaction mixture. The value of $K_{p}$ for the reaction…

Consider the reaction $N_{2}O_{4}(g)\rightleftharpoons\,2\mathrm{NO}_{2}(g)$The temperature at which $K_{C}=20.4$and $K_{P}=600.1,$ is ______$K$. (Round off to the Nearest Integer). [Assume all gases are ideal and…

A mixture of one mole of $H_{2}O$ and 1 mole of $\mathrm{CO}$ is taken in a $10\mathrm{litre}$ container and heated to $725K$. At equilibrium $40%$ of water by mass reacts with carbon monoxide according to the equation:…