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Which is/are amphoteric oxides?...

Which is/are amphoteric oxides?

A

BeO

B

SnO

C

ZnO

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
Beo, SnO, ZnO, all are soluble in alkalies as well as in acids, thus are amphoteric oxides.
`MO+2HCI to MCI_2 + H_(2)O`
`MO + 2NaOH to Na_(2)MO_(2)+ H_(2)O`
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-I
  1. Following triads have approximately equal size

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  2. Which pair is different from the others?

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  3. Which is/are amphoteric oxides?

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  4. Second electron affinity of an element

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  5. Ionisation energy of F^Ɵ is 320 kJ mol^(-1) . The electron gain enthal...

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  6. Which of the following element has the highest EN?

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  7. Which of the following oxides is most basic?

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  8. The IUPAC name for the element with atomic number, Z=119 is.

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  9. An element which lies in the same group of the periodic table as mercu...

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  10. Eka-aluminium and Eka-silicon are

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  11. Considering the elements from left to right in the third period of the...

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  12. Which of the following ions has the largest heat of hydration?

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  13. According to Moseley, a straight line graph is obtained on plotting.

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  14. An element having electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2)...

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  15. The first ionisation potential of Na, Mg, Al and Si are in the order

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  16. The pair of elements violating the law of octaves among the following ...

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  17. Diagonal relationship is due to

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  18. The atom having the valence shell electronic configuration 4s^(2)4p^(2...

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  19. The general electronic configuration of transition elements is:

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  20. The ionic radii of isoelectronic species 'N^(3-), O^(2-)' and 'F^-' in...

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