written by gogorabei | June 10, 2023
#1. (17) The conversion of phenol into aromatic benzene is considered as .............. reaction.
#2. (18) The secondary product which is produced during preparing both of methane and aromatic benzene is
#3. (19) The group directs the new substituent to meta position.
#4. (20)The ketonic group directs the substituent to position.
