Question

Complete and balance the following equations:

a reaction in which dil. Sulphuric acid is added to metal sulphide to give metal sulphate and a rotten egg smelling gas.​

Answer 1

Na  

2

​  

S+H  

2

​  

SO  

4

​  

→Na  

2

​  

SO  

4

​  

+H  

2

​  

S

Answer 2

Answer:

(a) On treating sulphite with warm dil. H2SO4, SO2 gas is evolved which is suffocating with the smell of burning sulphur. Na2SO3 + H2SO4 → Na2SO4 + H2O + SO2 The gas turns potassium dichromate paper acidified with dil.

Explanation:

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