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Q.

Which of the following is the reason for Zinc not - exhibiting variable oxidation state ?

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a

completely filed 3d subshell

b

common ion effect

c

completely filled 4s subshell

d

inert pair effect

answer is B.

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Detailed Solution

Zinc does not exhibit a variable oxidation state as it has completely filled 3d subshell.
      Zn - [Ar] 3d10 4s2         (Atomic number 30)

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