Which of the following statements about $Na_2O_2$ is not correct?
- AIt is diamagnetic in nature
- BIt is a derivative of $H_2O_2$
- C$Na_2O_2$ oxidises $Cr^{3+}$ to $CrO_4^{2-}$ in an acidic medium
- DIt is the superoxide of sodium
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Assertion : Lithium carbonate is not so stable to heat.
Reason : Lithium being very small in size polarizes large $CO_3^{2-}$ ion leading to the formation of more stable $Li_2O$ and $CO_2$.
Reason : Lithium being very small in size polarizes large $CO_3^{2-}$ ion leading to the formation of more stable $Li_2O$ and $CO_2$.
DifficultAIIMS 2017
View SolutionWhich of the following properties is $NOT$ an anomalous property of $Li$?
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View SolutionCompared to alkaline earth metals,what do alkali metals exhibit?
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View SolutionWhich of the following alkali metals has a density greater than water?
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View SolutionOn heating,$LiNO_3$ gives how many compounds among the following?
$Li_2O, N_2, O_2, LiNO_2, NO_2$
$Li_2O, N_2, O_2, LiNO_2, NO_2$
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