Question

give a chemical test to distinguish between sodium sulphite and sodium thiosulphate​

Answer 1

Explanation:

To test tube 'A' add 5 ml of sodium sulfate and to test tube 'B' add 5 ml of Sodium Thiosulfate. To both, the test tubes add 5 ml of dilute HCl and observe it. The test tube in which clear solution changes cloudy shows that it is sodium thiosulfate.

Answer 2

Answer:

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The compounds such as Sodium sulfate and Sodium Thiosulfate can be distinguished using HCl acid through the conversion of a clear solution to cloudy.

Steps to identify:

Take two test tubes and mark it as 'A' and 'B'.

To test tube 'A' add 5 ml of sodium sulfate and to test tube 'B' add 5 ml of Sodium Thiosulfate.

To both, the test tubes add 5 ml of dilute HCl and observe it.

The test tube in which clear solution changes cloudy shows that it is sodium thiosulfate.

The test tube in which no changes are observed infers that it is sodium sulfate.

Principle

Sodium sulfate doesn't show any reaction with dilute HCl and thus it remains a clear solution.

The reason behind the formation of cloudy solution is that, when sodium thiosulfate reacts with dilute HCl, it leads to the formation of sulfur which accounts for cloudy solution.

The chemical equation involved in the reaction is as follows:

Give simple chemical tests to distinguish between the following pairs of compounds: Benzoic acid and Ethyl benzoate

Explanation:

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