Easy
Aqueous solution of ferric nitrate when mixed with aqueous solution of potassium thiocyanate gives a red coloured solution. The intensity of the red colour becomes constant upon attaining equilibrium. Choose the correct statement when the following chemicals are added to the above solution at equilibrium:
$I$. Oxalic acid
$II$. Mercuric chloride
$I$. Oxalic acid
$II$. Mercuric chloride
- ABoth $(I)$ and $(II)$ will decrease the intensity of the red colour.
- BBoth $(I)$ and $(II)$ will increase the intensity of the red colour.
- C$(I)$ will increase but $(II)$ will decrease the intensity of the red colour.
- D$(I)$ will decrease but $(II)$ will increase the intensity of the red colour.
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$A_{2(g)} + B_{2(g)} \rightleftharpoons X_{2(g)}; \Delta_{r} H = -X \ kJ$
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