1.

Head-to-tail addition takes place in chain-growth polymerisation, when monomer is

Answer»


`CH_2 = CH - CH =CH_2`
`CH_2 = UNDERSET(CH_3)underset(|)C-underset(O)underset(||)(COCH_3)`
`CH_2=CH -C -=N`

ANSWER :A


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