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Question
Name the other ion formed when ammonia dissolves in water. Give one test that can be used to detect the presence of the ion produced.
Chemical Equations/Structures
Very Short Answer
Solution
(i) When ammonia dissolves in water.
\[\ce{NH3 + H2O -> NH4OH}\]
\[\ce{NH4OH <=> NH4+ + OH-}\]
Ions formed are ammonium and hydroxyl.
(ii) Test:
\[\ce{NH4OH + HCl/Cl2 -> \underset{(White fumes)}{NH4Cl} + H2O}\]
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