The arrangement in decreasing order of stability of H3, H5,(CH3)2H and (CH3)3 free radicals is-
1. H3 > H5 > (CH3)2H > (CH3)3
2. (CH3)3 > (CH3)2H > H5 > H3
3. H5 > H3 > (CH3)2H > (CH3)3
4. (CH3)3 > (CH3)2H > H3 >H5
The most stable carbocation among the following is:
1. | 2. | ||
3. | 4. |