Question

hydrogen fluoride gas exist as dimer give reason

Answer 1

Hello dear,

# Answer - Hydrogen bonding

# Explanation-

Hydrogen flouride (HF) has high tendency to form hydrogen bonding.

F- of one HF bonds with H+ of another HF by hydrogen bonds and vice versa.

Thus two HF molecules bind together to form a dimer H2F2.

# Extras-

Hydrogen flouride dimer can exist in two forms

1)quasi-linear structure

2)cyclic structure

Due to presence of two protons hydrogen flouride is dibasic acid.

Thanks for asking...