Question

a small amount of iron sulphide in powdered form is taken in a test tube and 5mL of carbon disulphide is added to it.the test tube is vigorously shaken.what is observed

Answer 1

It is observed that none of the particles of iron sulphide dissolve in carbon disulphide because CS2 does not react with iron sulphide.

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Answer 2

None of the particles dissolve

Explanation:

A small amount of iron sulphide in taken in powdered form and 5 ml of carbon disulphide is added to the same test tube. The test tube is vigorously shaken. You will observe that none of the particles dissolve. This is because carbon disulphide is used to separate iron and sulphur mixture. CS2 is a solvent for Sulphur. Since iron sulphide (FeS) is a compound, it will not dissolve in carbon disulphide.