ICSE Class 10 Chemistry
Question 46 of 69
Study of Compounds — Ammonia — Question 47
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Question Question 5(2014)
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.
Hydroxyl ion [OH-1] and ammonium ions [NH4+] are formed.
NH3 + H2O ⟶ NH4OH
NH4OH ⇌ NH4+ + OH-1
The alkaline NH4OH, due to the presence of hydroxyl ions [OH-] turns red litmus blue and phenolphthalein soln. pink