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Which one of the alkali metals, forms on...

Which one of the alkali metals, forms only, the normal oxide, `M_(2)O` on heating in air ?

A

Rb

B

K

C

Li

D

Na

Text Solution

Verified by Experts

The correct Answer is:
C
Only lithium forms monoxide on heating in air.
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MODERN PUBLICATION-CHEMISTRY OF s-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS (LEVEL-II)
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  2. Propertyof alkaline earthmetals that increases with their atomic numbe...

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  3. Which of the following alkaline earth metal sulphates has hydration en...

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  4. The increasing order of the density of alkali metals

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  5. Which of the following oxides is not expected to react with sodium hyd...

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  6. The correct order of reducing character of alkali metals is

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  7. Which one of the following on hydrolysis, gives the corresponding meta...

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  8. Which one of the following order presents the correct sequence of the ...

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  9. The product obtained on heating LiNO(3) will be

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  10. Choose the incorrect statement in the following

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  11. Which of the following compound has the lowest melting point ?

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  12. Among the following compounds, the one that gets hydrolysed to form me...

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  13. The reaction between sodium and water can be made less vigorous by

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  14. Which one of the alkali metals, forms only, the normal oxide, M(2)O on...

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  15. A metal M readily forms water soluble sulphate MSO(4), water insoluble...

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  16. Which of the following process is used in the extraction of metallurgy...

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  17. KO(2) (potassium superoxide) is used in oxygen cylinders in space and ...

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  18. Identify the correct order of acidic strengths of CO(2),CuO,CaOandH(2)...

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  19. The substance not likely to contain CaCO(3) is :

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  20. Solubilities of carbonates decrease down the magnesium group due to de...

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