D-And F-Block Elements Ques 107
Question: The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is
[KCET 2004]
Options:
A) $ Hg{{(OH)}_2} $
B) $ HgCO_3.HgO $
C) $ HgCO_3 $
D) $ HgCO_3.Hg{{(OH)}_2} $
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Answer:
Correct Answer: B
Solution:
$ HgCl_2+Na_2CO_3\to HgCO_3+2NaCl $
$ HgCO_3\xrightarrow{\Delta }HgO+CO_2 $