The stability of given free radicals in decreasing order is
1) CH3−˙CH22) CH3−C˙H−CH33) CH3−˙C−CH3 | CH34) C˙H3
3 > 4 > 1 > 2
1 > 2 > 3 > 4
3 > 2 > 4 > 1
3 > 2 > 1 > 4
Order of stability of free radicals is
methly< pri< sec< ter