Pick out the wrong statement.

A. For the manufacture of styrene, the major raw materials are benzene and ethylene

B. One inportant copolymer of styrene is SBR, which is widely used in the manufacture of automobile tyres

C. Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis

D. Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

Answer: Option D