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Question

Chemistry Question on Equilibrium

The conjugate acid of NH3NH_{3} ion is:

A

NH2OHNH_{2}OH

B

NH4+NH_{4}^{+}

C

NH3NH_{3}

D

NH2+NH_{2}^{+}

Answer

NH4+NH_{4}^{+}

Explanation

Solution

The conjugate acid of NH3NH _{3} is NH4+NH _{4}^{+} ion: NH4+Acid+H2OBaseNH3Base+H3O+Acid\underset{\text{Acid}}{NH _{4}^{+}}+ \underset{\text{Base}}{H _{2} O} \rightleftharpoons \underset{\text{Base}}{NH _{3}}+ \underset{\text{Acid}}{H _{3} O ^{+}}