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Questions  

Zn and Cd metals do not show variable valency because :

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By Expert Faculty of Sri Chaitanya
a
They have only two electrons in the outermost subshells
b
Their d-subshells are completely filled
c
Their d-subshells are partially filled
d
They are relatively soft metals

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detailed solution

Correct option is B

Zn and Cd metals do not show variable valency because their d-subshells are completely filled.

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