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

The conjugate base of `H_(2)PO_(4)^(-)` is :

A

`HPO_(4)^(2-)`

B

`P_(2)O_(5)`

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)^(-)) rarr underset(Base)(H^(+)+HPO_(4)^(2-))`
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The conjugate base of HClO_(4) is a weaker base than H_(2)O . Explain.

Conjugate acid of PO_(4)^(-3) is

A2Z-IONIC EQUILIBIUM-Section D - Chapter End Test
  1. The conjugate base of H(2)PO(4)^(-) is :

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  2. If the degree of ionization of water be 1.8xx10^(-9) at 298 K. Its ion...

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  3. When a solution of benzoic acid was titrated with NaOH the pH of the s...

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  4. 10^(-2) mole of NaOH was added to 10 litres of water. The pH will chan...

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  5. If an acidic indicator HIn ionies as HInhArrH^(+)+In^(-). To which max...

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  6. Let the solubilities of AgCl in pure water be 0.01 M CaCl(2), 0.01 M N...

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  7. What would be the pH of an ammonia solution if that of an acetic acid ...

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  8. pH of saturated solution of Ba(OH)(2) is 12. The value of solubility p...

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  9. The hydrolysis constant for ZnCl(2) will be where K(b) is effective ...

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  10. In which case pH will not change on dilution

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  11. M(OH)(X) has K(SP) 4xx10^(-12) and solubility 10^(-4) M. The value of ...

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  12. 1 M benzoic acid (pKa=4.20) and 1 M C6H5COONa solutions are given sepa...

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  13. The pH of an aqueous solution of 0.1 M solution of a weak monoprotic a...

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  14. pH of a 10^(-10) M NaOH is nearest to

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  15. The dissocication constant of a weak acid is 1.0xx10^(-5), the equilib...

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  16. The pH of 0.1 M solution of the following salts increases in the order

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  17. In the equilibrium A^(-)+H(2)OhArrHA+OH^(-)(K(a)=1.0xx10^(-5)). The de...

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  18. The sulphide ion concentration [S^(2-)] in saturated H(2)S solution is...

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  19. The K(sp) of CuS, Ag(2)S and HgS are 10^(-31), 10^(-44) and 10^(-54) r...

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  20. For a weak acid HA with dissociation constant 10^(-9), pOH of its 0.1 ...

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  21. The concentration of [H^(+)] and concentration of [OH^(-)] of a 0.1 aq...

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