Match the following :
Answer the following qeustions by appropriately matching the information given in the three columns of the following table.
Columns, 1,2 and 3 containing starting materials, reaction conditions and type of reactions, respectively.
The only correct combination in which the reaction proceeds through radical mechanism is :
A. (I),(ii),(r)
B. (II),(iii),(s)
C. (III),(ii),(p)
D. (IV),(i),(s)
