Which of the following reagents will produce | vedclass

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(A) The reaction of phenol with $CHCl_3$ in the presence of aqueous $NaOH$ is known as the Reimer-Tiemann reaction.This reaction introduces a formyl g

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$CHCl_3/NaOH$

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(A) The reaction of phenol with $CHCl_3$ in the presence of aqueous $NaOH$ is known as the Reimer-Tiemann reaction.This reaction introduces a formyl group $(-CHO)$ at the ortho position of the phenol ring to produce salicylaldehyde.The overall reaction is:Phenol + $CHCl_3 + aq. NaOH \rightarrow$ Intermediate $\rightarrow$ Salicylaldehyde (after acidification with $H^+$).

Which of the following reagents will produce salicylaldehyde on reaction with phenol?

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