The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is

  • Option 1)

    benzoic acid

  • Option 2)

    salicylaldehyde

  • Option 3)

    salicylic acid

  • Option 4)

    phthalic acid

 

Answers (1)

As we learnt in 

Kolbe's Schmidth reaction -

Phenoxide ion undergo electrophilic substitution with CO2,  a weak electrophile.

- wherein

 

 C_{6}H_{5}OH\overset{NaOH+CO_{2}}{\rightarrow}C_{6}H_{4}(COOH)OH


Option 1)

benzoic acid

This option is incorrect

Option 2)

salicylaldehyde

This option is incorrect

Option 3)

salicylic acid

This option is correct

Option 4)

phthalic acid

This option is incorrect

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