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Choose the Correct Answer a Chloride Which Forms a Precipitate that is Soluble in Excess of Ammonium Hydroxide Is: - ICSE Class 10 - Chemistry

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Question

Choose the correct answer from the options given below:

A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide is:

1) Calcium chloride

2) Ferrous chloride

3) Ferric chloride

4) Copper chloride

Solution

Copper chloride

CuCl2 + 2NH4OH → Cu(OH)2↓ + 2NH4Cl

With the excess of NH4OH, the ppt. dissolves.

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Solution Choose the Correct Answer a Chloride Which Forms a Precipitate that is Soluble in Excess of Ammonium Hydroxide Is: Concept: On Solution of Salts - Special Action of Ammonium Hydroxide on Solutions of Copper Salt.
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