Question
What is esterification? Explain the mechanism of esterification.
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Answer
When carboxylic acids are heated with alcohols in the presence of conc. HCI (or) dry HCI gas, esters are formed. This reaction is reversible and is called esterification.
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Answer:
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3. Phenol on reaction with NaOH produces sodium phenoxide $C _6 H _5 ONa$ as (C).
4. Sodium phenoxide on reaction with $CO _2$, followed acid hydrolysis, Kolbe's reaction takes place to give Salicylic acid as (D).
→Answer:
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2. Chloro benzene on treatment with aqueous NaOH yeilds $C _6 H _5 OH$ - phenol as (B).
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