Magnesium wire is heated in the atmosphere of $CO_2$ because
- A$Mg$ acts as an oxidising agent
- B$Mg$ has two electrons in the outermost shell
- C$Mg$ acts as a reducing agent and removes oxygen from $CO_2$
- DNone of the above
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Comment on each of the following observations:
$(a)$ The mobilities of the alkali metal ions in aqueous solution are $Li^{+} < Na^{+} < K^{+} < Rb^{+} < Cs^{+}$
$(b)$ Lithium is the only alkali metal to form a nitride directly.
$(c)$ The standard electrode potential $E^{\circ}$ for the reaction $M^{2+}_{(aq)} + 2e^{-} \to M_{(s)}$ (where $M = Ca, Sr$ or $Ba$) is nearly constant.
$(a)$ The mobilities of the alkali metal ions in aqueous solution are $Li^{+} < Na^{+} < K^{+} < Rb^{+} < Cs^{+}$
$(b)$ Lithium is the only alkali metal to form a nitride directly.
$(c)$ The standard electrode potential $E^{\circ}$ for the reaction $M^{2+}_{(aq)} + 2e^{-} \to M_{(s)}$ (where $M = Ca, Sr$ or $Ba$) is nearly constant.
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Write the chemical reactions for the formation of oxides,peroxides,and superoxides of alkali metals.
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View SolutionWhen sodium is heated with moist air,the product obtained is:
MediumAIIMS 1999
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