1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The equilibrium constant, $$K_C$$ for $$3C_2H_2(g) \rightleftharpoons C_6H_6(g)$$ is 4 L$$^2$$mol$$^{-2}$$. If the equilibrium concentration of benzene is 0.5 mol$$^{-1}$$ than what is the value of concentration of ethylene?

A
0.05 mol/L
B
0.5 mol/L
C
0.25 mol/L
D
0.025 mol/L
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

In the equilibrium, $$AB\rightleftharpoons A+B$$, if the equilibrium concentration of A is double, then equilibrium concentration of B will be

A
half
B
twice
C
$$\frac{1}{4}$$th
D
$$\frac{1}{8}$$th
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

For the equilibrium,

2NOCl(g) $$\rightleftharpoons$$ 2NO(g) + Cl$$_2$$(g),

the value of the equilibrium constant, $$K_C$$ is 3.75 $$\times$$ 10$$^{-6}$$ at 1069 K. The value of $$K_p$$ for the reaction at this temperature will be

A
0.133
B
1.242
C
0.033
D
0.00033
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

In the chemical reaction,

N$$_2$$ + 3H$$_2$$ $$\rightleftharpoons$$ 2NH$$_3$$ at equilibrium point.

A
equal volumes of N$$_2$$ and H$$_2$$ are reacting.
B
equal means of N$$_2$$ and H$$_2$$ are reacting.
C
the reaction has stopped.
D
the same amount of ammonia is formed, as it is decomposed into N$$_2$$ and H$$_2$$.
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