1.

Statement-1: [Co(NH_(3))_(6)]^(2+) when exposed to air, is more easily oxidised into [Co(NH_(3))_(6)]^(3+) as compared to oxidation of Co^(2+) into Co^(3+) in gaseous state. Statement-2: In [Co(NH_(3))_(6)]^(2+) electron is to be removed from 4d, and in Co^(2+)(g), electron is removed from 3d.

Answer»

Statement-1 is TRUE, Statement-2 is True , Statement-2 is a CORRECT EXPLANATION for Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
Statement-1 is True, Statement-2 is FALSE.
Statement-1 is False, Statement-2 is True.

Answer :A


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