Buna-N synthetic rubber is a copolymer of:

Options

A. `H_(2)C - CH - overset(Cl)overset(|)(C) = CH_(2) and H_(2)C = CH = CH_(2)`
B. `H_(2)C= CH - CH = CH_(2) and H_(5)C_(6) - CH = CH_(2)`
C. `H_(2)C = CH - CN and H_(2)C = CH - CH = CH_(2)`
D. `H_(2)C = CH - CN and H_(2)C - CH = underset(CH_(3))underset(|)(C) = CH_(2)`

Answer

C

Explanation

Buna-N is copolymer of `CH_(2) = CH - CN` (Acrylo nitrile) and `CH_(2) = CH - CH = CH_(2)` (Butadience).