Chemistry
(i) Name the other ion formed when ammonia dissolves in water.
(ii) Give one test that can be used to detect the presence of the ion produced.
Ammonia
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Answer
(i) Hydroxyl ion [OH-1] and ammonium ions [NH4+] are formed.
NH3 + H2O ⟶ NH4OH
NH4OH ⇌ NH4+ + OH-1
(ii) The alkaline NH4OH, due to the presence of hydroxyl ions [OH-] turns red litmus blue and phenolphthalein soln. pink
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