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 $



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