P-Block Elements Ques 258
Question: $ NO_2 $ is a mixed oxide is proved by the first that with $ NaOH $ , it forms
Options:
A) Nitrites salt
B) Nitrates salt
C) Mixture of nitrate and nitrite
D) Ammonia
Show Answer
Answer:
Correct Answer: C
Solution:
$ 2NO_2+H_2O $ ⇌ $ HNO_2+HNO_3 $
When dissolved in water, gives a mixture of nitrous acid and nitric acid.
$ N_2O_4+H_2O\to HNO_2+HNO_3 $
$ HNO_3+HNO_2+2NaOH\to $
$ NaNO_2+NaNO_3+2H_2O $
