confirmatory test of ammonia gas
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Sodium Hydroxide
The ammonia gas turns moistened red litmus paper blue. It can also be detected by its characteristic odor. This reaction serves as a confirmatory testfor NH4+.
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Sodium Hydroxide
Addition of concentrated hydroxide ion solutions evolves NH3 gas:
NH+4(aq)+OH−(aq)↽⇀NH3(aq)+H2O(l)(2)
The ammonia gas turns moistened red litmus paper blue. It can also be detected by its characteristic odor. This reaction serves as a confirmatory test for NH4+.
No Reaction
Cl− , SO2−4 , NH3(aq)
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