Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In Dumas method for the estimation of 
, the sample is heated with copper oxide and the gas evolved is passed over:
A
Copper oxide
B
C
Pd
D
Copper gauze
Text Solution
Verified by ExpertsThe correct answer is:
B
Duma's method. The nitrogen containing organic compound, when heated with 
in a atmosphere of 
, yields free 
in addition to 
and 
.
Traces of nitrogen oxides formed, if any, are reduced to nitrogen by passing the gaseous mixture over heated copper gauze.
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