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) $