which of the following gives Yellow or Brown precipitate with alkaline Nessler's reagent NH3;KI;NaCl;Co2
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NH3 gives Brown while ki yellow
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Answer: The correct answer is
Explanation:
Nessler's reagent is an alkaline solution of potassium tetraiodomercurate (II). When this reagent is added to the water extract of an unknown solution, a brown precipitate of basic amidoiodomercury (II) is formed if ammonium ions are one of the constituents of the substance.
Hence, only will give a test with nessler's reagent.
The equations for the above test is provided in the image below.
Attachments:
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