In the digestion step of Kjeldahl's method, solid Potassium Sulphate () and a trace of Cupric Sulphate () are added to the concentrated . The role of is to:

Question

In the digestion step of Kjeldahl's method, solid Potassium Sulphate ($K_2SO_4$) and a trace of Cupric Sulphate ($CuSO_4$) are added to the concentrated $H_2SO_4$. The role of $K_2SO_4$ is to:

Prashant Kotian · Accepted Answer

Correct answer: C. is added to elevate the boiling point of the concentrated sulphuric acid, allowing the digestion of the organic compound to occur at a significantly higher temperature, while acts as a catalyst to speed up the reaction.

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