Phenol can be converted into salicylic acid b | vedclass

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(D) The conversion of phenol to salicylic acid can be achieved through several methods:$1$. Kolbe-Schmitt reaction: Phenol reacts with $CO_2$ under pr

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All of the above

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(D) The conversion of phenol to salicylic acid can be achieved through several methods:$1$. Kolbe-Schmitt reaction: Phenol reacts with $CO_2$ under pressure in the presence of an alkali $(NaOH)$ to form sodium salicylate,which upon acidification yields salicylic acid.$2$. Reimer-Tiemann reaction with $CCl_4$: Phenol reacts with $CCl_4$ in the presence of an alkali $(NaOH)$ to form salicylic acid directly.$3$. Reimer-Tiemann reaction with $CHCl_3$: Phenol reacts with $CHCl_3$ and alkali to form salicylaldehyde,which can then be oxidized to salicylic acid.Since all these methods can lead to the formation of salicylic acid,the correct answer is $D$.

Column-$I$ (Reaction)	Column-$II$ (Condition)
$(A)$ $CH_3-CH(OH)-CH_3 \rightarrow CH_3-CH=CH_2$	$(i)$ $20\% \ H_3PO_4, 358 \ K$
$(B)$ $CH_3-C(CH_3)_2-OH \rightarrow CH_3-C(CH_3)=CH_2$	(ii) $Cu, 573 \ K$
$(C)$ $CH_3CH_2OH \rightarrow CH_2=CH_2 + H_2O$	(iii) $85\% \ H_3PO_4, 440 \ K$
$(D)$ $R-CH(OH)-R' \rightarrow R-CO-R'$	(iv) $H_2SO_4, 443 \ K$

Phenol can be converted into salicylic acid by heating with

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