Which of the following reacts with phenol to | vedclass

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(B) The reaction is known as the Reimer-Tiemann reaction. In this reaction,phenol reacts with trichloromethane $(CHCl_3)$ in the presence of an aqueou

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Trichloromethane

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(B) The reaction is known as the Reimer-Tiemann reaction. In this reaction,phenol reacts with trichloromethane $(CHCl_3)$ in the presence of an aqueous base (like $NaOH$ or $KOH$) followed by acidic hydrolysis to yield salicylaldehyde as the major product. The chemical equation is: $C_6H_5OH + CHCl_3 + 3KOH \rightarrow C_6H_4(OH)(CHO) + 3KCl + 2H_2O$

Which of the following reacts with phenol to give salicylaldehyde after hydrolysis?

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