| \[F{{e}^{3+}}(aq)+C{{l}^{-}}\,FeC{{l}^{2+}}(aq)\] |
| Equilibrium may be disturbed by |
| I. Addition of ferric nitrate |
| II. Addition of silver nitrate |
| III. Change in temperature |
| IV. Addition of catalyst |
A) I and III only
B) I, II and III only
C) II and III only
D) I, II, III and IV
Correct Answer: B
Solution :
I. \[Fe{{(N{{O}_{3}})}_{2}}\] provides \[F{{e}^{3+}}\] so, its addition shifts the equilibrium in forward direction. II. \[A{{g}^{+}}\] provided by \[AgN{{O}_{3}}\] reacts with \[C{{l}^{-}}\] which remain less available in reaction, so reaction goes in backward direction. III. Since, the reaction is endothermic, increase in temperature shifts the reaction in forward direction. IV. Addition of catalyst does not affect the state of equilibrium.
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