Give reason in one or two sentences.
"Ammonium chloride is acidic in liquid ammonia solvent".

Explanation

**Step-by-Step Solution:**

1. **Understanding the Solvent:** Liquid ammonia (NH3) can act as both a solvent and a weak base. It has the ability to undergo self-ionization, which means it can dissociate into ions.

2. **Self-Ionization Reaction:** The self-ionization of ammonia can be represented by the following reaction:
\[ 2 \text{NH}_3 \rightleftharpoons \text{NH}_4^+ + \text{NH}_2^- \]
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