. Pb4+ compounds are stronger oxidizing agents than Sn4+ compounds.


STATEMENT-1

Pb4+ compounds are stronger oxidizing agents than Sn4+ compounds.

and

STATEMENT-2

The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to ‘inert pair effect’.

(A) STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1

(B)STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1

(C) STATEMENT-1 is True, STATEMENT-2 is False

(D) STATEMENT-1 is False, STATEMENT-2 is True

 

Best Answer

Sn and Pb both have ns2np2 configurations of their valence shells. Moving down a group, the ns electron pair becomes more and more inert towards bonding called inert pair effect. This is maximum in Pb. So Pb4+ tends to get reduced to Pb2+ i.e., Pb4+ is stronger oxidizing agent then Sn4+ in which the inert pair effect is relatively less.

Key (C)

 

Talk to Our counsellor