Answer:
Dissolving NH4F in water will form a weak acidic solution.
Explanation:
That it is a weak acid solution means that it has a pH below 7 but close to the value, that is, it does not contain as many acids as those substances that are around a pH of 1 to 4, generally weak acids have a pH approximately 5 to 6
The solution of solid ammonium fluoride in pure water has been slightly acidic in nature.
Ammonium fluoride has been an ionic compound formed by the interaction of cationic ammonia and anionic fluoride ions. The dissolution of ionic compounds will result in the compound in its dissociated ionic state.
The dissociation results in the formation of ammonium cation. The ammonium has been a strong acid.
The resulted anion has been fluoride. It has been a strong base, but slightly weaker than ammonia.
Thus the resultant solution will result in slightly acidic nature.
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