Co-Ordination Compounds Question 311

Question: When $ HgI_2 $ is added to excess of aqueous KI, mercury largely exists as.

Options:

A) $ Hg_2I_2 $

B) $ {{[HgI_3]}^{-}} $

C) $ {{[HgI_4]}^{2-}} $

D) none of these

Show Answer

Answer:

Correct Answer: C

Solution:

$ HgI_2(s)+2{I^{-}}(aq)\to {{[HgI_4]}^{2-}}(aq) $



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