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Solution


Q.

Phenol treated with chloroform in the presence of sodium hydroxide, which is further hydrolyzed in the presence of an acid, results in                 [2024]
1 Benzene-1,2-diol  
2 Benzene-1,3-diol  
3 2-Hydroxybenzaldehyde  
4 Salicylic acid  

Ans.

(3)

This is Reimer-Tiemann formylation reaction. The product is 2-hydroxybenzaldehyde (salicylaldehyde).