For the equilibrium Hg 2 2+ (aq) Hg ( λ ) + Hg 2+ (aq), th…

Chemistry D and F - Block Elements General Single Correct MCQ

Published on: August 14, 2026

For the equilibrium Hg 2 2+ (aq) Hg ( λ ) + Hg 2+ (aq), the equilibrium constant is approximately equal to 10 3 . Therefore

Hg (I) is fairly stable in aqueous solution

Hg (I) in aqueous solution undergo disproportionation to yield Hg ( λ ) & Hg 2+

Addition of KCl shifts the equilibrium to the left

Addition of Hg ( λ ) does not have any role on the equilibrium.

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(b, c, d) Cl – (aq) from KCl combine with Hg 2 2+ (aq) to produce sparingly soluble Hg 2 Cl 2 .

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