The number of sigma and pi bonds in pent-2-en-4-yne is:
10 bonds and 3 bonds
8 bonds and 5 bonds
11 bonds and 2 bonds
13 bonds and no bonds
Option 1
Structure of pent-2-en-4-yne
Here there are 10 bonds and bonds
And 3 bonds and
10 bonds and 3 bonds
Option 2)8 bonds and 5 bonds
Option 3)11 bonds and 2 bonds
Option 4)13 bonds and no bonds