Salicylaldehyde can be prepared from

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(B) Salicylaldehyde is prepared from phenol by the Reimer-Tiemann reaction. In this reaction,phenol reacts with chloroform $(CHCl_3)$ in the presence

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Phenol,chloroform and sodium hydroxide

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(B) Salicylaldehyde is prepared from phenol by the Reimer-Tiemann reaction. In this reaction,phenol reacts with chloroform $(CHCl_3)$ in the presence of an aqueous base like sodium hydroxide $(NaOH)$ to form salicylaldehyde. The chemical equation is: $C_6H_5OH + CHCl_3 + 3NaOH \rightarrow C_6H_4(OH)(CHO) + 3NaCl + 2H_2O$ Therefore,the correct option is $(b)$.

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