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Which one is amphoteric oxide ?...

Which one is amphoteric oxide ?

A

`SO_(2)`

B

`B_(2)O_(3)`

C

`ZnO`

D

`Na_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
ZxnO is soluble in acid and alkalies both.
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P BAHADUR-IONIC EQUILIBRIUM-Exercise4
  1. Which statement is not true?

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  2. When rain is accompained by a thunderstorm, the collected rain water w...

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  3. Which one is amphoteric oxide ?

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  4. The conjugate base of H(2)PO(4)^(-) is :

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  5. K(SP) of MX(4) and solubility of MX(4) is S mol//L is related by:

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  6. The solubility product of a salt having general formula MX(2) in water...

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  7. Hydrogen ion concentration in mol//L in a solution of pH=5.4 will be:

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  8. The conjugate base of OH^(-) is :

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  9. The pK(a) of a weak acid (HA) is 4.5. The pOH of an aqueous buffered s...

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  10. The first and second dissociation constant of an acid H(2)A are 1.0xx1...

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  11. Four species are listed below: (i) HCO(3)^(-) (ii) H(3)O^(+) (ii...

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  12. The pK(a) of a weak acid, HA, is 4.80. The pK(b) of a weak base, BOH, ...

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  13. Solid Ba(NO(3)) is gradually dissolved in a 1.0xx10^(-4) M Na(2)CO(3) ...

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  14. Three reactions involving H(2)PO(4)^(-) are given below I. H(3)PO(4...

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  15. In aqueous solution the ionization constants for carbonic acid are: ...

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  16. At 25^(@)C, the solubility product of Mg(OH)(2) is 1.0xx10^(-11). At w...

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  17. Solubility product of silver bromide is 5.0xx10^(-13). The quantity of...

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  18. The pH of a 0.1 molar solution of the acid HQ is 3. The value of the i...

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  19. The correct order of acid strength is

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  20. For a sparingly soluble salt A(p)B(q), the relationship of its solubil...

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