1.

In the reaction C_6H_6 + CO + HCl underset(AlCl_3)overset("anhyd")to X + HCl the compound X is :

Answer»

`C_6H_5 CH_3`
`C_6H_5CH_2Cl`
`C_6H_5CHO`
`C_6H_5COOH`

ANSWER :C


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