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In the following reaction, ZnO is respec...

In the following reaction, ZnO is respectively acting as a/an
(i) `ZnO+Na_(2)O rarr Na_(2)ZnO_(2)`
(ii) `ZnO+CO_(2)rarr ZnCO_(3)`

A

base and acid

B

base and base

C

acid and acid

D

acid and base

Text Solution

Verified by Experts

The correct Answer is:
D
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In the following reaction, ZnO is respectively as a/an (i) ZnO+Na_(2)O rarr Na_(2)ZnO_(2) (ii) ZnO+CO_(2)rarr ZnCO_(3)

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TARGET PUBLICATION-p-BLOCK ELEMENTS-COMPETITIVE THINKING
  1. Which of the following is a neutral oxide?

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  2. Identify the element that forms amphoteric oxide.

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  3. In the following reaction, ZnO is respectively acting as a/an (i) Zn...

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  4. The colour of liquid O(2) is .

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  5. The bond angle and O-O bond length in O3 are respectively .

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  6. Ozone is present as a chief constituent in which region of the atmosph...

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  7. Six volumes of oxygen, on complete ozonisation form volumes of ozone.

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  8. Ozone, on reaction with KI solution, finally produces.

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  9. Number of unpaired electrons on sulphur in sulphur dioxide gas is ?

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  10. Which one statement about sulphur dioxide gas is INCORRECT ?

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  11. Aqueous solutions of hydrogen suphide and sulphur dioxide when mixed t...

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  12. A crystalline solid 'X' reacts with dil. HCl to liberate a gas 'Y' . '...

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  13. The oxidation number of sulphur in S(8), S(2)F(2) and H(2)S respective...

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  14. Which is produced by contact process ?

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  15. What is the catalyst used for oxidation of SO(2) to SO(3) in lead cham...

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  16. Sulphuric acid reacts with PCl5 to give

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  17. Which one is known as oil of vitriol ?

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  18. Peroxydisulphuric acid has which of the following bond ?

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  19. The molecular formula of dithionic acid is .

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  20. Which oxyacid of sulphur contains S-S single bond?

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