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Question

When HgCl2 reacts with CO23 anion, then :

A
Reddish brown precipitate of HgCO32HgO is formed
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B
Brownish red precipitate of HgCO33HgO is formed
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C
Reddish brown precipitate of HgCO33HgO is formed
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D
Blue ppt. of is Hg4O4CO3 formed
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Solution

The correct option is C Reddish brown precipitate of HgCO33HgO is formed
Option (C) is correct.
When HgCl2 reacts with CO23 anion, then reddish brown precipitate of HgCO33HgO is formed.

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