Question

* 19. Double bond equivalent or degree of unsaturation for the compound given below is:

(a) 12
(b) 13
(c) 14
(d) 15​

Answer 1

Answer:

13

Explanation:

Three benzene rings each having 3 double bonds and cyclic structure, therefore 4 each

Since there are 3 benzene, 4x3=12

Also -COOH has a double bond, hence total degree of unsaturation is 12+1= 13

Answer 2

Answer:

Explanation:

14 bcoz of pi+cycles