Question

how many sigma and pi bond are present in napthalene​

Answer 1

Answer:

sigma and pi need may be 4

Answer 2

Answer:

19 sigma and 5 pie bonds

Explanation:

As each double bond in a molecule consists of a sigma bond and a pie bond, therefore in naphthalene there are total 19 sigma bonds (6 C-C single bonds, 8 C-H single bonds and 5 from C=C bonds).