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Which one of the alkali metals forms onl...

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
`2Li+1//2O_(2) to Li_(2)O`
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. The alkali metals form salt like hydrides by the direct synthesis at e...

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  2. In the case of alkali metals, the covalent character decreases in the ...

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

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  4. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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  5. In the replacement reaction the reaction will be most favourable...

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  6. Indentify the correct order of solubility in aqueous medium

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  7. In Castner-Kellner cell for production of sodium hydroxide :

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  8. On heating which of the following release CO(2) most easily ?

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  9. Solvay's process is used for the preparation of

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  10. Baking soda is

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  11. The elements of group IA provide a colour to the flame of Bunsen burne...

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  12. When sodium is heated with moist air, then the product obtained is

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  13. Alkaline earth metals are denser than alkali metals, because metallic ...

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  14. On dissolving moderate amount of sodium metal in liquid ammonia at low...

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  15. The reagent commonly used to determine hardness of water titrimetrical...

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  16. Which is more basic in character?

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  17. Sodium metal can be stored under :

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  18. Causticisation process is used for the preparation of

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  19. What is lye

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  20. The reaction of water sodium and potassium is

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