Question

lower valency of mercury​

Answer 1

Explanation:

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.

Answer 2

Answer:

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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.

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hope this helps you...