Riemer-Tiemann reaction intorduces an aldehyde group, on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substitued salicyladehydes as depicted below. Which one of the following reagents is used in the above reaction?

Riemer-Tiemann reaction intorduces an aldehyde group, on to the aromat

1.	Riemer-Tiemann reaction intorduces an aldehyde group, on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substitued salicyladehydes as depicted below. Which one of the following reagents is used in the above reaction?
Answer» aq. NaOH +`CH_(3)Cl` aq. `NaOH+CH_(2)Cl_(2)` aq. `NaOH+CHCl_(3)` aq. `NaOH+CCl_(4)` SOLUTION :N//A