In Kjeldahl's method for estimation of nitrogen, CuSO4 acts as

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In Kjeldahl's method for estimation of nitrogen, CuSO₄ acts as

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oxidizing agent

reducing agent

catalytic agent

hydrolysis agent

answer is C.

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Detailed Solution

In Kjeldahl's method (used for the estimation of nitrogen), the organic compound is heated with conc. H₂SO₄ in the presence of K₂SO₄ (used to elevate boiling point of H₂SO₄) and CuSO₄(used as catalyst) to convert all the nitrogen into (NH₄ )₂SO₄.

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