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The conjugate base of HPO(4)^(2-) is...

The conjugate base of `HPO_(4)^(2-)` is

A

`HPO_(4)^(2-)`

B

`HPO_(4)^(2-)`

C

`H_(3)PO_(4)`

D

`PO_(4)^(3-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("acid")(H_(2)PO_(4)^(-)) to H^(+) underset("Base")(HPO_(4)^(2-)`
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VMC MODULES ENGLISH-IONIC EQUILIBRIUM-JEE MAIN ( ARCHIVE )
  1. Which statement is not true?

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

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  3. The conjugate base of HPO(4)^(2-) is

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

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

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

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

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  8. The pKa of a weak acid (HA) is 4.5 The pOH of an aqueous buffered so...

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  9. In a saturated solution of the sparingly soluble strong electrolyte A...

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

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  11. How many litres of water must be added to 1 L of an aqueous solution o...

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

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  13. The first and second dissociation constant of an acid H2A are 1.0 ...

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  14. The K(SP) for Cr(OH)(3) is 1.6xx10^(-30). The molar solubility of this...

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

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  16. An acid HA ionizes as HAhArrH^(+)+A^(-) The pH of 1.0 M solution is 5....

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

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  18. In aqueous solution the ionization constants for carbonic acid are K...

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

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

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