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How are the following conversions carrie...

How are the following conversions carried out ?
(i) benzaldehyde from Toluene, (ii) acetophenone from benzene, and
(iii) benzoin from benzaldehyde.

Text Solution

Verified by Experts

Benzoin from benzaldehyde :
Benzaldehyde reacts with alcoholic KCN to form benzoin
`C_(6)H_(5)-underset(O)underset(||)overset(H)overset(|)(C)+H-underset(O)underset(||)(C)-C_(6)H_(5)underset(Delta)overset(alcKCN)toC_(6)H_(5)-underset(OH)underset(|)(CH)-underset(O)underset(||)(C)-C_(6)H_(5)`
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