In Kjeldahl method , nitrogen in the compound on heating with concentrated sulphuric acid and copper sulphate gets converted to ____
A
NO2
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B
NH3
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C
(NH4)2SO4
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D
None of the above
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Solution
The correct option is C(NH4)2SO4 Kjeldahl’s Method :
The compound containing nitrogen is heated with concentrated sulphuric acid and copper sulphate. Nitrogen in the compound gets converted into ammonium sulphate.
The reaction is : Organic compound+H2SO4→(NH4)2SO4