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Monovalency of heavier members of group ...

Monovalency of heavier members of group 13 elements can be explained on the basis of

A

their low ionisation energies

B

their low electronegatively values

C

their larger sizes

D

inert pair effect

Text Solution

Verified by Experts

The correct Answer is:
D
Due to inert pair effect, down the group, the stability of lower oxidation state (+1 in group 13) increases.
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