Question:
Which one of the following nitrates will decompose to give NO₂ on heating?
Which one of the following nitrates will decompose to give NO₂ on heating?
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Lithium nitrate decomposes uniquely, forming lithium oxide, NO₂, and O₂, unlike other alkali nitrates that form nitrite and O₂.
Updated On: July 22, 2025
- NaNO₃
- KNO₃
- RbNO₃
- LiNO₃
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The Correct Option is D
Solution and Explanation
Lithium nitrate decomposes on heating to form lithium oxide, nitrogen dioxide, and oxygen gas: 4LiNO₃Δ2Li₂O+4NO₂+O2. Other alkali metal nitrates decompose to form the corresponding nitrite and oxygen gas.
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