1.

Cupric compounds are more stable than their cuprous counterparts in solid state. This is because

Answer»

<P>the endothermic character of the 2nd I P of Cu is not so high
size of `Cu^(2+)` is less than `Cu^(+)`
`Cu^(2+)` has stabler electronic configuration as COMPARED to `Cu^(+)`
the lattice energy RELEASED for cupric compounds is much higher than `Cu^(+)`.

SOLUTION :(b,d) These are both correct options.


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