Question

Q20. Write structure of functional group for the given class of organic compound
a) Ester b) phenol c) acid anhydride d) secondary amide.​

Answer 1

Explanation:

in ester the functional group is such R-COO-R'

phenol- -OH group on benzene

acid anhydride- (CH3CO)2O (example of acetic anhydride)

secondary amide- CO-NH(R)