Same chapter3 marksDifficulty: Medium
Give two examples showing that concentrated nitric acid is a powerful oxidising agent.
Study of Compounds: Nitric Acid
2 marksDifficulty: Easy
State why nitric acid is stored in dark coloured bottles.
Original Khojo Papers practice question — not from a past board paper.
Answer
Nitric acid decomposes in the presence of light into nitrogen dioxide, oxygen and water, which turns it yellow. Dark bottles keep light out and slow this decomposition.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
4HNO3 → 4NO2 + O2 + 2H2O
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