Chemical Equilibrium

For which of the following solids does solubility decrease with an increase in temperature?

The nitrite ion in represented by (I) $[\mathrm{O}-\mathrm{N}=O]^{-}$ (II) $[\mathrm{N}=\mathrm{O}-\mathrm{O}]^{-}$ Which of the structures represents possible resonance forms of this ion?

In hydrolysis of a salt of weak acid and strong base, $A^{-}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{HA}+\mathrm{OH}^{-}$, the hydrolysis constant $\left(K_h\right)$ is equal to

The chemical reaction of a gas phase is given below. $2 A(g)+B(g) \rightleftharpoons C(g)+D(g)$ Which one of the following changes will affect the value of $K_c$ ?

For the chemical equilibrium, $2 \mathrm{NO}_2(\mathrm{~g}) \rightleftharpoons \mathrm{N}_2 \mathrm{O}_4(\mathrm{~g}) ;+14.6 \mathrm{kcal}$ increase in temperature

If $K_\rho$ for a reaction, $A(g)+2 B(g) \rightleftharpoons 3 C(g)+D(g)$ is 0.05 atm at 1000 K . Its $K_{\mathrm{c}}$ in term of $R$ is $\frac{x \times 10^{-5}}{R}$. The value of $x$ is ______

Equivalent amounts of $\mathrm{H}_2$ and $\mathrm{I}_2$ are heated in a closed vessel till equilibrium is obtained. If $80 \%$ of the hydrogen can be converted to HI, the $K_C$ at this temperature is

Equal moles of $\mathrm{NO}_2(g)$ and $\mathrm{NO}(g)$ are to be placed in a container to produce $\mathrm{N}_2 \mathrm{O}$ according, to the reaction, $\mathrm{NO}_2+\mathrm{NO} \rightleftharpoons \mathrm{~N}_2…

The vapour density of $\mathrm{N}_2 \mathrm{O}_4$ at a certain temperature is 30 . What is the percentage dissociation of $\mathrm{N}_2 \mathrm{O}_4$ at this temperature?

Decomposition of $N_{2}O_{4}(g)$ takes place as follows $N_{2}O_{4}(g)\rightleftharpoons\,2NO_{2}(g)$ 'D' is the vapour density at initial stage and 'd' is the vapour density at equilibrium. We get following graph when…

Acetic acid undergoes dimerisation, when dissolved in benzene Molecular mass of acetic acid is found 120. Which among the following relation is correct? D = theroartical vapour density d = observed vapourdensity

HI was heated in a sealed tube at $440^{\circ}$ C, till the equilibrium was reached. HI was found to be 22% decomposed. The equilibrium constant for dissociation is