Which of the following elements does not have a variable valency?
A) Copper
B) Ion
C) Phosphorus
D) Lead
(Give explanation)
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Answer:
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Answered by
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Answer:
The electronic configuration of Zn is (Ar)3d104s2. Hence due to complete d-subshell, it does not show variable valency.
Explanation:
Hydrogen doesn't show variable valency.
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