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Solution of K(2)O in water in basic, bec...

Solution of `K_(2)O` in water in basic, because it contains a significant concentration of

A

`O_(2)^(2-)`

B

`O^(2-)`

C

`OH^(-)`

D

`K^(+)`

Text Solution

Verified by Experts

The correct Answer is:
C
`K_(2)O+H_(2)O rarr 2 KOH rarr K^(+) +OH^(-)`
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A2Z-S BLOCK ELEMENTS ( GROUP 13 - 14)-Section D - Chapter End Test
  1. Which monoxide of alkali metals is slowly hydrolysed ?

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  2. Which of the following has lowest thermal stability ?

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  3. Solution of K(2)O in water in basic, because it contains a significant...

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  4. The order of melting point of chloirdes of alkali metals is :

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  5. Sodium carbonate reacts with SO(2) in aqueous medium to give

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  6. Sodium dichormate on heating with coke yields :

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  7. Which one out of the NaOH and KOH is a better absorber of CO(2) ?

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  8. Reduction of sodium nitrite by sodium metal yields:

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  9. Which of the following statement is incorrect ?

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  10. What products are formed during the electrolysis of a of a concentrat...

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  11. Na+Al(2)O(3) overset("High temp.") rarrXoverset(CO(2)" in")underset("w...

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  12. What happens when a mixture of sodium sulphate, lime stone and coke is...

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  13. The order of basicity of hydroxides of alkali metals is

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  14. What happens when sodium metal is heated to a temperature 350^(@)C in ...

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  15. Solubility of an ionic compound in water is mainly dependent on: a...

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  16. Na(2)Be(OH)(4)] is formed when

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  17. What is the formula of basic anhydride of Ba(OH)(2)?

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  18. What is the correct order of thermal stability of carbonates of alkali...

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  19. Beryllium has less negative value of reduction potentials compared to ...

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  20. When CO(2) is passed through the suspenstion of MgCO(3), Mg(OH)(2) (ba...

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