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प्रश्न
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
विकल्प
AgNO3
KNO3
Cu(NO3)2
Zn(NO3)2
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उत्तर
The nitrate salt which does not give a mixture of NO2 and O2 on heating is KNO3.
Explanation:
When heated, alkali metal nitrates, such potassium or sodium nitrates, melt and transform into colourless liquids that break down to release oxygen gas.
\[\ce{2KNO3->[Δ][]2KNO2 + O2↑}\]
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संबंधित प्रश्न
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
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Product obtained by heating concentrated nitric acid.
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The catalyst used in the manufacture of HNO3 by Ostwald process is
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Write a balanced equation for following :
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NH3 solution is added to CuSO4 solution drop by drop and then in excess.
Give one test to distinguish between the following pair of chemicals.
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