Question

The catalyst used for the preparation of the monomer of neoprene rubber is

Answer 1

Neoprene rubber is prepared by free radical polymerisation of chloroprene (2-chlorobuta-1, 3-diene),The chloroprene is obtained by dimerisation of acetylene by passing it through aqueous solution of NH4Cland cuprous chloride at 343K followed by treatment with HCl.
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