Q

Which of the following acid-base pairs will produce a salt of ammonium chloride?

RRB Group D, 6-Oct-22 S-1 2022
✓ Answer: C HCl-NH4OH
Ammonium chloride (NH4Cl) is formed when hydrochloric acid (HCl) reacts with ammonium hydroxide (NH4OH). This is an example of an acid-base reaction, where HCl (an acid) donates H+ ions, and NH4OH (a base) provides OH- ions, which combine to form the salt NH4Cl and water (H2O). The balanced reaction is: HCl + NH4OH → NH4Cl + H2O.
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