Question

What is the identity test of a gas formed when aluminum salt reacts with an alkali

Answer 1

Answer:

Detecting ammonium ions

Ammonium ions (NH4+) are present in dilute ammonia solution and any ammonium salt, such as ammonium chloride.

Ammonium ions can be identified in a solution by adding dilute sodium hydroxide solution and gently heating. If ammonium ions are present, they will be converted to ammonia gas. Ammonia has a characteristic choking smell. It also turns damp red litmus paper or damp universal indicator paper paper blue..

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