1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

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 $$\left.\mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)$$.

A
$$2.1 \times 10^{-4}$$
B
$$2.1 \times 10^{-5}$$
C
60.5
D
605
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
the rate of the forward reaction becomes zero.
B
no effect of temperature.
C
forward reaction is favoured
D
backward reaction is favoured
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$$-650 \mathrm{~J} \mathrm{~mol}^{-1}$$
B
$$-830 \mathrm{~J} \mathrm{~mol}^{-1}$$
C
$$-790 \mathrm{~J~mol}^{-1}$$
D
$$-875 \mathrm{~J} \mathrm{~mol}^{-1}$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Le-Chatelier's principle is not applicable to

A
$$\mathrm{H}_2(g)+\mathrm{I}_2(g) \rightleftharpoons 2 \mathrm{HI}(g)$$
B
$$\mathrm{Fe}(\mathrm{s})+\mathrm{S}(\mathrm{s}) \rightleftharpoons \mathrm{FeS}(\mathrm{s})$$
C
$$\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \rightleftharpoons 2 \mathrm{NH}_3(g)$$
D
$$\mathrm{N}_2(g)+\mathrm{O}_2(g) \rightleftharpoons 2 \mathrm{NO}(g)$$
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