`overset(14)(C)H_(2)=CH-CH_(3)overset(NBS)underset(C Cl_(4),Delta)(to)overset(Na)underset("Dry ether",Delta)(to)"Products".`
Products can be :
A. `CH_(2)=CH-overset(14)(C)H_(2)-CH_(2)-CH=overset(14)(C)H_(2)`
B. `CH_(2)=CH-CH_(2)-CH_(2)-CH=CH_(2)`
C. `CH_(2)=CH-overset(14)(C)H_(2)-overset(14)(C)H_(2)-CH=CH_(2)`
D. `overset(14)(C)H_(2)=CH-CH_(2)-CH_(2)-CH=overset(14)(C)H_(2)`