Question

Ammonia gas dissolves in water to form $NH_{4}OH$ . In this reaction water acts as

• A. a conjugate base
• B. a non-polar solvent
• C. an acid
• D. a base

Answer 1

Answer: (D)

a base

Answer 2

$H _{2} O + NH _{3} \rightleftharpoons NH _{4}^{+}+ OH ^{-}$ In this reaction $H _{2} O$ acts as acid because it donate a proton.