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Which dispropottionates into M(2)O(2)(pe...

Which dispropottionates into `M_(2)O_(2)`(peroxide) and M(metal)on heating?

A

`Li_(2)O`

B

`Na_(2)O`

C

`Na_(2)O`

D

CaO

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-S-BLOCK ELEMENTS-Level V-(ONLY ONE ANSWER CORRECT )
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  2. Which cannot be used to generate H(2)?

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  3. Which dispropottionates into M(2)O(2)(peroxide) and M(metal)on heating...

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  4. Select the ciorrect statement with respect to alkali metals.

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  5. Consider the following statements, S(1) : Alkali metals are never fo...

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  6. Drying agent which reacts with CO2 and involves water vapour is

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  8. Acidified solution f sodium thiosulphate are unstable because:

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

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  10. Which of the following on thermal decomposition yields a basic as wel ...

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  11. The hottest region of Bunsen flame shown in the figure given below is

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  12. Which of the following increases in magnitude as the atomic number of ...

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  13. Alkali metals give coloue in Bunsen flame due to :

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  14. Which of the following about solution lf alkali metals in lioquid ammo...

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  15. Select the incorrect statement :

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  16. Consider the following statements, S(1) : Alkali metals are never fo...

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  17. Which of the following has the highest reactivity towards water?

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  18. Sodium burns in dry air to give :

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  19. Alkali metals are characterised by

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  20. In view of their low ionisation energies, the alkali metals are

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