AP EAPCET 2022 - 5th July Morning Shift | Chemical Equilibrium Question 10 | Chemistry

At 500 K , for the reaction $$\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g})$$, the $$K_p$$ is $$0.036 \mathrm{~atm}^{-2}$$. What is its $$K_C$$ in $$\mathrm{L}^2 \mathrm{~mol}^{-1}$$ ? $$\left(R=0.082 \mathrm{~L}^2\right.$$ atom $$\left.\mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)$$.

$$2.1 \times 10^{-4}$$

$$2.1 \times 10^{-5}$$

60.5

605

AP EAPCET 2022 - 4th July Morning Shift

MCQ (Single Correct Answer)

-0

The formation of ammonia from its constituent elements is an exothermic reaction. The effect of increased temperature on the reaction equilibrium is

the rate of the forward reaction becomes zero.

no effect of temperature.

forward reaction is favoured

backward reaction is favoured

AP EAPCET 2021 - 20th August Morning Shift

MCQ (Single Correct Answer)

-0

At $$60^{\circ} \mathrm{C}$$, dinitrogen tetroxide is dissociated. Find it's standard free energy change at this temperature and one atmosphere. [Given $$\log 1.33=0.1239$$]

$$-650 \mathrm{~J} \mathrm{~mol}^{-1}$$

$$-830 \mathrm{~J} \mathrm{~mol}^{-1}$$

$$-790 \mathrm{~J~mol}^{-1}$$

$$-875 \mathrm{~J} \mathrm{~mol}^{-1}$$

AP EAPCET 2021 - 20th August Morning Shift

MCQ (Single Correct Answer)

-0

Le-Chatelier's principle is not applicable to

$$\mathrm{H}_2(g)+\mathrm{I}_2(g) \rightleftharpoons 2 \mathrm{HI}(g)$$

$$\mathrm{Fe}(\mathrm{s})+\mathrm{S}(\mathrm{s}) \rightleftharpoons \mathrm{FeS}(\mathrm{s})$$

$$\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \rightleftharpoons 2 \mathrm{NH}_3(g)$$

$$\mathrm{N}_2(g)+\mathrm{O}_2(g) \rightleftharpoons 2 \mathrm{NO}(g)$$

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