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प्रश्न
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
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उत्तर
In a glass apparatus nitric acid gets decomposed by sunlight. Yellowish brown colour of nitric acid is due to the presence of nitrogen dioxide formed due to thermal decomposition of nitric acid.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
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Salt referred to as chile saltpeter.
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What is the purpose of Conc. H2SO4 in the above preparation?
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Lighting is a blessing in disguise.
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Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
