TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Sodium nitrite with hydrochloric acid gives water along with two nitrogen oxides. They are
- A \(\mathrm{NO}, \mathrm{NO}_2\)
- B \(\mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_3\)
- C \(\mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}\)
- D \(\mathrm{NO}, \mathrm{N}_2 \mathrm{O}_5\)
Answer & Solution
Correct Answer
(A) \(\mathrm{NO}, \mathrm{NO}_2\)
Step-by-step Solution
Detailed explanation
\(2 \mathrm{NaNO}_2+2 \mathrm{HCl} \rightarrow 2 \mathrm{NaCl}+\mathrm{NO}_2+\mathrm{NO}+\mathrm{H}_2 \mathrm{O}\) In case of nitrogen, all oxidation states from +1 to +4 tend to disproportionate in acid solution.
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