TS EAMCET · Chemistry · Chemical Equilibrium
Aqueous solution of ferric nitrate when mixed with aqueous solution of potassium thiocyanate gives red colour solution. The intensity of red colour becomes constant on attaining equilibrium. Choose the correct statement when the following chemical is added to the above solution at equilibrium. I. Oxalic acid II. Mercuric chloride
- A Both (I) and (II) will decrease the intensity of red colour.
- B Both (I) and (II) will increase the intensity of red colour.
- C (I) will increase but (II) will decrease the intensity of red colour.
- D (I) will decrease but (II) will increase the intensity of red colour.
Answer & Solution
Correct Answer
(A) Both (I) and (II) will decrease the intensity of red colour.
Step-by-step Solution
Detailed explanation
\(\because\) When ferric nitrate is mixed with aqueous solution of potassium thiocyanate, i.e. (KSCN). The intensity of red colour becomes constant on attaining equilibrium. When, (I) oxalic acid, i.e. \(\left(\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_4\right)\) or (II) mercuric…
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