1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

For the reaction,

$$A(g)+B(g) \rightleftharpoons C(g)+D(g) ; \Delta H=Q \mathrm{~kJ}$$

The equilibrium constant cannot be disturbed by

A
addition of $$A$$
B
addition of $$D$$
C
increasing of pressure
D
increasing of temperature
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The relationship between $K_p$ and $K_c$ is $K_p=K_c(R T)^{\Delta n}$. What would be the value of $\Delta n$ for the reaction $$ \mathrm{NH}_4 \mathrm{Cl}(s) \rightleftharpoons \mathrm{NH}_3(g)+\mathrm{HCl}(g) ? $$
A
1
B
0.5
C
1.5
D
2
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The reaction quotient ' $Q$ ' is useful inpredicting the direction of the reaction. Which of the following is incorrect?
A
If $Q_c < K_c$, the forward reaction is favoured
B
If $Q_c>K_c$, the reverse reaction is favoured
C
If $Q_c>K_c$, the forward reaction is favoured
D
If $Q_c=K_c$, no reaction occur
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The equilibrium constant for the reaction $\mathrm{N}_2(g)+\mathrm{O}_2(g) \rightleftharpoons 2 \mathrm{NO}(\mathrm{g})$ is $4 \times 10^{-4}$ at 2000 K . In presence of a catalyst the equilibrium is attained ten times faster. Therefore the equilibrium constant in presence of catalyst 2000 K is
A
$4 \times 10^{-3}$
B
$4 \times 10^{-2}$
C
$40 \times 10^{-4}$
D
$4 \times 10^{-4}$
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