Question

The molecular shape of a H 2C 2 molecule is _____.

1) linear
2) angular
3) trigonal planar
4) tetrahedral

Answer 1

• The correct option is 1. Linear

Molecular shape

• HC≡CH

Its name is acetylene, in which there are two pi bonds between two carbon and one sigma bond between two carbon. Each carbon has also sigma bond with hydrogen. The molecular geometry is linear.