Question

what is the valancy of Mercury​

Answer 1

Answer:

There are some compounds who have variable valency and Hg is one of them! hg has a valency of +1 and +2 in +1 valency it's called mercurous and in +2 valency its called mercuric! Actually The Valency of Mercury (Hg) is variable. In HgCl2 the Valency is different and in Hg2Cl2 valancy is different.

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Answer 2

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There are some compounds who have variable valency and Hg is one of them! hg has a valency of +1 and +2 in +1 valency it's called mercurous and in +2 valency its called mercuric!

Actually The Valency of Mercury (Hg) is variable.

In HgCl2 the Valency is different and in Hg2Cl2 valancy is different.