The decreasing order of stability of following cations is :-

The decreasing order of stability of the following cations is underset(I)(CH_(3)overset(+)(C)H_(2)) , underset(II)(H_(2)C=overset(+)(C)H) , underset(III)(H-C-=overset(+)(C)) , underset(IV)(H_(3)C-overset(+)(C)=0)

rArr The decreasing order of stability of following cation is (Question No.56-60).

rArr The decreasing order of stability of following anions is (Question No. 61-65).

Decreasing order of stability is-