PREAPRATION OF DINITROGEN
1. By heating :
a) NH
4NO
2 
(Ammonium Nitrite) 2H
2O + N
2 OR
NH
4Cl + NaNO
2 NaCl + H
2O+ N
2
b) (NH
4)Cr
2O
7(Ammonium Dichromate)
2Na + 3N
2
c) 2NaN
3 2Na + 3N
2
d) Ba(N
3)
2 Ba + 3N
2
2. By HNO2 :
a) RNH
2 + HNO
2 ROH + N
2 + H
2O
b) RCONH
2 + HNO
2 RCOOH + N
2 + H
2O
c) NH
2CONH
2(Urea) + 2HNO
2 2N
2+ CO
2 + 3H
2O
3.By oxidation of NH3 :
a) 2NH
3 + 3CuO
3Cu + N
2 + 3H
2O
b) 2NH
3 + 3PbO
3Pb + N
2 + 3H
2O
c) 2NH
3 + 3HgO
3Hg + N
2 + 3H
2O
d) 2NH
3 + 3NaOCl
3NaCl + N
2 + 3H
2O
e) 2NH
3 + 3CaOCl
2 3CaCl
2 + N
2 + 3H
2O
f) 8NH
3(excess) + 3Cl
2 N
2 + 6NH
4Cl
g) 8NH
3(excess) 3Br
2 N
2 + 6NH
4Br
4.By using reducing of alkali metals like Na , K :-
a) 2NaNO
2 + 6Na
4Na
2O +N
2
b) 2NaNO
3 + 10Na
6Na
2O + N
2
I HOPE U ALL WILL LIKE THT PLS COMMENT N RATE ME FOR IT
Moderation Team
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