ANSWER
Acidic
EXPLANATION
Ammonium chloride is an acidic salt prepared the combination of a strong acid and a weak base
The strong acid is the hydrochloric acid and the weak base is the ammonium hydroxide.
Below is the reaction between hydrochloric acid and ammonium hydroxide
[tex]\text{ HCl}_{(aq)}\text{ + NH}_4OH_{(aq)}\rightarrow\text{ NH}_4Cl\text{ + H}_2O[/tex]
Therefore, the pH of NH4Cl in solution is acidic.
