Question

chemical test for nh4oh​

Answer 1

Answer:

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Explanation:

Ammonium hydroxide | NH4OH or H5NO | CID 14923 - structure, chemical ... Ammonium hydroxide, for analysis, 20% solution in water.

Molecular Formula: NH4OH or H5NO

Molecular Weight: 35.046 g/mol

PubChem CID: 14923

Structure: Find Similar Structures

Answer 2

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To the given solution add Pb(NO3)2, if the white ppt. Of Pb(OH)2 dissolves then the solution is NaOH and if remains insoluble then the solution is of NH4OH.

Magnesium sulphate gives a white precipitate with excess ammonium hydroxide solution.

We know that ammonia solution is ammonium hydroxide. When added in small quantity(dropwise), a reddish-brown precipitate of Fe(OH)3 is formed. This precipitate is insoluble in excess of ammonia solution.