Which of the following molecules doesn’t involve hydrogen bond formation?

A pi bond is stronger than a sigma bond.

The enthalpy change that occurs when an atom in the ground state gains an electron, is electron gain enthalpy.

The orbitals that are resulted from sp hybridization have ___% s-character and ____% p-character.

O2 is paramagnetic in nature.

A molecule named o-nitrophenol consists of __________hydrogen bond/s.

Resonance does stabilize the molecule.

What is the name of the below-given shape?