The correct repeating structural unit of polystyrene is

Question

The correct repeating structural unit of polystyrene is (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

The initiator free radical first adds to styrene to form more stable benzylic free radical (I) which then adds to another molecule to form another benzylic free radical (II) and so on and so forth. As a result, two C6H5 groups occur at alternate carbon atoms on the polymer chain.

Q. The correct repeating structural unit of polystyrene is

The initiator free radical first adds to styrene to form more stable benzylic free radical (I) which then adds to another molecule to form another benzylic free radical (II) and so on and so forth. As a result, two $C_{6} H_{5}$ groups occur at alternate carbon atoms on the polymer chain.

Q. The correct repeating structural unit of polystyrene is

The initiator free radical first adds to styrene to form more stable benzylic free radical (I) which then adds to another molecule to form another benzylic free radical (II) and so on and so forth. As a result, two C6​H5​ groups occur at alternate carbon atoms on the polymer chain.

The initiator free radical first adds to styrene to form more stable benzylic free radical (I) which then adds to another molecule to form another benzylic free radical (II) and so on and so forth. As a result, two $C_{6} H_{5}$ groups occur at alternate carbon atoms on the polymer chain.