D-And F-Block Elements Ques 314
Question: Which of the following element does not show variable valency
[MP PMT 2003]
Options:
A) Ni
B) Zn
C) Cu
D) Mn
Show Answer
Answer:
Correct Answer: B
Solution:
The electronic configuration of $ Zn $ is $ (Ar)3d^{10}4s^{2} $ .
Hence due to complete d-subshell, it does not show variable valency.