Which one of the following is used in the preparation of styrene?

1. $\mathrm{CH}_3 \mathrm{CHO}$
2. $\mathrm{P}_2 \mathrm{O}_5$
3. $\mathrm{CH}_4$
4. $\mathrm{C}_6 \mathrm{H}_6$

Solution

Styrene can be prepared from benzene as follows

Asked in: AP EAMCET 2001

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