Question

Which among the following group is introduced, when phenol reacts with chloroform in presence of dilute sodium hydroxide?

• A. $-COOH$
• B. $-CHC{l}_2$
• C. $-CHO$
• D. $-C{H}_{2}Cl$

Answer 1

The correct option is C $-CHO$

This is Reimer-tiemann reaction