MCQ
In which of the following case $K_p$ is less than $K_c$
- A${H_2} + C{l_2} \rightleftharpoons 2HCl$
- ✓$2S{O_2} + {O_2} \rightleftharpoons 2S{O_3}$
- C${N_2} + {O_2} \rightleftharpoons 2NO$
- D$PC{l_5} \rightleftharpoons PC{l_3} + C{l_2}$
✓
Answer
Correct option: B.
$2S{O_2} + {O_2} \rightleftharpoons 2S{O_3}$
(b) $\mathop {2S{O_2}}\limits_3 + {O_2} \rightleftharpoons \mathop {2S{O_3}}\limits_2 $ for this reaction
$\Delta n = \,-1$ ; $\therefore {K_c} > {K_p}$
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