List of top Chemistry Questions on Phenols asked in CBSE CLASS XII

Assertion (A) : p-nitrophenol is more acidic than phenol.
Reason (R) : Nitro group is an electron-withdrawing group, it stabilises phenoxide ion by dispersal of negative charge.

Write the reaction involved in Kolbe's reaction.

Assertion (A) : p-nitrophenol is more acidic than phenol. Reason (R) : Nitro group is an electron-withdrawing group, it stabilises phenoxide ion by dispersal of negative charge.

Assertion (A) : Phenol is more acidic than 4-methylphenol. Reason (R) : The presence of an electron releasing group in phenol makes it more acidic.

Assertion (A): Phenol is less acidic than 4-methylphenol. Reason (R): The presence of an electron releasing group in phenol makes it less acidic.

Assertion (A): The presence of -OH group in phenols directs the incoming group to ortho and para positions.
Reason (R): -OH group in phenols activates the aromatic ring towards electrophilic substitution reaction.

Write the reaction involved in the following:

Reimer-Tiemann reaction

Write the reaction involved in the following:

Kolbe's reaction

The product (X) obtained in the following reaction is: