Choose the term below which best describes the geometry of acetylene (HCCH) .

A) trigonal bipyramidal
B) trigonal
C) tetrahedral
D) square planar
E) linear

Geometry

In the context of chemistry, it refers to the three-dimensional arrangement of atoms within a molecule, which significantly influences its reactivity and physical properties.

Acetylene

A hydrocarbon and the simplest alkyne, used as a fuel and a chemical building block.