NEET PRACTICE · Chemistry

Chemical Equilibrium

264 practice questions for NEET Practice69 easy · 165 medium · 30 hard. Every question is graded instantly with a step-by-step solution when you miss it.

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Sample questions

MCQ
For which of the following solids does solubility decrease with an increase in temperature?
MCQ
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…
MCQ
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?
MCQ
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
MCQ
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
MCQ
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 $K_c$ ?
MCQ
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?
MCQ
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
Numerical
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 ______
MCQ
In a $10litre$ box $2.5mole$ hydroiodic acid is taken. After equilibrium $2HI\rightleftharpoons\,H_{2}+I_{2}$ the concentration of $HI$ is found to be $0.1\text{mol}\text{L}^{-1}$. The concentration of…
MCQ
At a certain temperature the equilibrium constant $K_{C}$ is 0.25 for the reaction $A(g)+B(g)\rightleftharpoons\,C(g)+D(g)$ If we take 1 mole of each of four gases in a 10 litre container, what would be the equilibrium…
MCQ
For the reaction $AB(g)\rightleftharpoons\,A(g)+B(g)$ AB is 33% dissociated at a total pressure of P. Therefore, P is related to $K_{p}$ by one of the following options.
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