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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
Question
NO2 is acidic oxide. [True/ False]
✓

Answer

True.

Explanation:

Nitrogen dioxide is an acidic oxide. The reaction with water is,

$2\text{NO}_2\ +\ \text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ \ \ \ }\text{HNO}_3\ +\ \text{HNO}_2$

The extra oxygen is needed as HNO2 is unstable and it oxidises to nitric acid.

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