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  4. Salicylic acid is prepared from phenol by:

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Q. Salicylic acid is prepared from phenol by:

AFMCAFMC 2005

Solution:

Salicylic acid can be prepared from phenol by
Reimer-Tiemann reaction
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But if $CHCl _{3}$ is used in place of $CCl _{4}$, salicylaldehyde is formed.
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In Kolbe's reaction salicylic acid is prepared by using sodium phenoxide.
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In Kolbe's electrolysis simple hydrocarbons are prepared
$\underset{\text{pot acetate}}{2 RCOOK} +2 HOH \xrightarrow{\text { Electrolysis }}\underset{\text{Alkane}}{R-R+2 CO _{2}} + H_2 +2KOH$