Why when NH4Cl dissolves in liquid ammonia solution becomes acidic?

Question

When NH4Cl dissolves in:

2NH3 ⇌ NH4+ + NH2-

shouldn't equilibrium shift to the left since concentration of NH4+ increases resulting in solution becoming basic instead?

Answer 1

Liquid ammonia, possesses strong ionizing powers, so the NH₄Cl will dissociate into NH₄⁺ and Cl^-. Obviously, NH₄⁺ is a Bronsted-Lowry acid as it will donate a proton. This would explain the acidic nature of the solution. Not sure about the equation you present, but seems like the equilibrium would be between NH₄⁺ and NH₃