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Sodium is heated in air at 300^(@)C to f...

Sodium is heated in air at `300^(@)C` to form X.X absorbs `CO_(2)` and forms `Na_(2)CO_(3)` and Y. Which of the following is Y ?

A

`H_(2)`

B

`O_(2)`

C

`H_(2)O_(2)`

D

`O_(3)`.

Text Solution

Verified by Experts

The correct Answer is:
B
`2Na +O_(2)rarrNa_(2)O_(2)`
`2Na_(2)O_(2)+2CO_(2)rarr2Na_(2)CO_(3)+O_(2)`
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DINESH PUBLICATION-THE ALKALI METALS-RQ
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  2. Which of the following is correct ?

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  3. Sodium is heated in air at 300^(@)C to form X.X absorbs CO(2) and form...

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  5. Which of the following is not correct ?

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  6. The increasing order of ionic character of CsF, LiI, NaBr and KCl is

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  7. Brine solution on electrolysis will not give

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  8. Consider the following abbreviations for hydrated alkali ion x=|Li...

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  9. The carbonate that will not decompose on heating is

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  10. The solubility of alkali metal hydroxides follows the order:

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  11. Potassium superoxide finds use in breathing equipment and safeguards t...

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  12. Sodium peroxide which is yellow solid, when exposed to air becomes whi...

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  13. Which of the following on thermal decomposition yields a basic as well...

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  14. PbO(2) is

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  15. For alkali metals, which one of the following trends is incorrect ?

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  16. Which of the following sets will have highest hydration energy and hig...

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

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  18. Which of the following compound is most stable ?

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  19. The increasing order of the density of the alkali metal is

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

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