In the reaction HCl + NH3 → NH4+ + Cl−, which species is the conjugate acid?

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Multiple Choice

In the reaction HCl + NH3 → NH4+ + Cl−, which species is the conjugate acid?

Explanation:
Conjugate acid is the species formed when a base gains a proton in a Brønsted-Lowry acid–base reaction. Here, ammonia acts as the base and accepts a proton from hydrochloric acid, turning NH3 into NH4+. That newly formed NH4+ is the conjugate acid of the base NH3. The acid (HCl) donates a proton and becomes its conjugate base (Cl−). So the conjugate acid in this reaction is NH4+.

Conjugate acid is the species formed when a base gains a proton in a Brønsted-Lowry acid–base reaction. Here, ammonia acts as the base and accepts a proton from hydrochloric acid, turning NH3 into NH4+. That newly formed NH4+ is the conjugate acid of the base NH3. The acid (HCl) donates a proton and becomes its conjugate base (Cl−). So the conjugate acid in this reaction is NH4+.

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