Published by:
CGP EDU Academic Team
Published on: August 14, 2026
When 1 g of compound 
is subjected to Kjeldahl's method for estimation of nitrogen, 
was neutralized by ammonia evolved. The percentage of nitrogen in compound 
is:
Text Solution
Verified by ExpertsThe correct answer is:
C
In Kjeldahl's method, nitrogen in the compound is converted to 
.
The ammonia is absorbed and reacts with 
according to: 
.
Given that 15 mL of 
was neutralized:
Moles of 
.
From stoichiometry, 
reacts with 
.
Therefore, moles of 
.
Since each 
contains 1 nitrogen atom:
Moles of 
.
Mass of N 
.
Percentage of N in compound 
.
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