Year: 2019
Topic: Chemical Bonding and Molecular Structure
Time :
1.
The number of sigma (\(\sigma\)) and pi (\(\pi\)) bonds in pent-2 en-4-yne is
(1). 8 \(\sigma\) bonds and 5 \(\pi\) bonds
(2). 11 \(\sigma\) bonds and 2 \(\pi\) bonds
(3). 13 \(\sigma\) bonds and no \(\pi\) bonds
(4). 10 \(\sigma\) bonds and 3 \(\pi\) bonds