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Chemistry
Which of the following oxides of nitrogen is the anhydride of nitrous acid?
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Q. Which of the following oxides of nitrogen is the anhydride of nitrous acid?
AFMC
AFMC 2007
A
$NO$
B
$ N_{2}O_{3} $
C
$ N_{2}O_{4} $
D
$ N_{2}O_{5} $
Solution:
Nitrous acids gives dinitrogen trioxide on dehydration.
$ 2HNO_{2}\rightarrow H_{2}O+N_{2}O_{3} $