D-And F-Block Elements Ques 53

Question: The Nesseler’s reagent contains

[CPMT 1976, 88; NCERT 1987; MP PMT 1985; BHU 1996]

Options:

A) $ Hg_2^{++} $

B) $ H{{g}^{++}} $

C) $ HgI_2^{--} $

D) $ HgI_4^{--} $

Show Answer

Answer:

Correct Answer: D

Solution:

$ HgI_2+2KI,\to ,K_2[HgI_4] $ ⇌ $ 2{{K}^{+}}+{{[HgI_4]}^{-,-}} $



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