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Amphoteric oxides is/are...

Amphoteric oxides is/are

A

`ZnO,K_(2)O,SO_(3)`

B

`ZnO,P_(2)O_(5),Cl_(2)O_(7)`

C

`SnO_(2),Al_(2)O_(3),ZnO`

D

`PbO_(2),SnO_(2),SO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Basicity of oxides decreases in a period and increases in a group.
`:.SnO_(2),Al_(2)O_(3)` and `ZnO` are amphoteric oxides.
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DISHA PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Exercise -2 :Concept Applicator
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  7. Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respecti...

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  8. For which of the following ionic species radius would be maximum?

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  9. Among the following which has the highest cation to anion size ratio ...

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  10. First, second & third ionization energies are 737, 1045 & 7733 KJ//mol...

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  11. Which of the following sequence correctly represents the decreasing ac...

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  12. Which of the following is not the correct order for the stated propert...

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  13. In which of the following arrangements the order is NOT according to t...

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  14. Amphoteric oxides is/are

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  15. Consider the following statements : (I) The radius of an anion is la...

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  16. The first (Delta(i)H(1)) and second (Delta(i)H(2)) ionisation enthalpi...

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  17. The element with positive electron gain enthalpy is

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  18. For which of the following processes, enthalpy change is positive

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