wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

For the estimation of nitrogen, 1.4 g of organic compound was digested by Kjeldahl method and the evolved ammonia was absorbed in 60 mL of M10 sulphuric acid. The unreacted acid required 20 mL of M10 sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is

Open in App
Solution

% of N=1.4×meq. of acidmass of organic compound
meq. of H2SO4=60×M10×2=12meq. of NaOH=20×M10=2
meq. of acid consumed = 12-2 = 10
% of N=1.4×101.4=10%

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon