Chemistry, asked by blueishu8484, 1 year ago

Nitrogen estimation by kjeldahl method is used for

Answers

Answered by AAsad1111
0
I think ..... ?
don't know brother
really sorry.........
Answered by Anonymous
1

Hey brainly user!

here is your answer

\boxed{\sf\pink{Kjeldahl's\:method}}

✔ In this method, the compound

heated with concentrated sulphuric acid in the presence of small amount of {CuSo_4}to convert nitrogen into Ammonium Sulphate

✔The contents of the flask are transferred to another flask and heated with excess of sodium hydroxide solution to liberate ammonia gas

✔ Ammonia gas so liberated is passed and absorbed known as the volume concentrated sulphuric acid

✔Organic compound +{H_2SO_4{\rightarrow}(NH_4)_2SO_4}

{(NH_4)_2SO4+2NaOH{\rightarrow}Na_2SO_4+2H_2O+72NH_3}

{2NH_3+H_2SO_4{\rightarrow}(NH_4)_2SO_4}

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