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The total number of different kind of bu...

The total number of different kind of buffers obtained during the titration of `H_(3)PO_(4)` with `NaOH` are:

A

3

B

1

C

2

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
`NaH_(2)PO_(4)+H_(3)PO_(4), NaH_(2)PO_(4)+Na_(2)HPO_(4)`,
`Na_(2)HPO_(4)+Na_(3)PO_(4)`
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H_(3)PO_(4) is an example of

The total number of diprotic acids among the following is H_(3)PO_(4), H_(2)SO_(4), H_(3)PO_(3) H_(2)CO_(3), H_(2)S_(2)O_(7), H_(3)BO_(3) H_(3)PO_(2), H_(2)CrO_(4), H_(2)SO_(3)

Count the number of pairs which may act as a buffer solution when present in a given solution (a) CH_(3)COOH +NaOH (b) (c) NH_(4)CI + HNO_(3) (d) HCIO_(4) +KCIO_(4) (e) H_(3)PO_(4)+NaOH (f) H_(3)PO_(3) +NaOH (g) NaHCO_(3) + Na_(2)CO_(3) (h) H_(2)SO_(4) + Na_(2)SO_(4) (i) CH_(3) COONa + HCI (j)

Find the total number of electrons in a molecule of phosphoric acid (H_(3)PO_(4)) .

P BAHADUR-IONIC EQUILIBRIUM-Exercise3A
  1. In the following reaction HC(2)O(4)^(-)(aq)+PO(4)^(3-)(aq)hArrHPO(4)^(...

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  2. The conjugate base of [Al(H(2)O)(3)(OH)(3)] is:

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  3. The total number of different kind of buffers obtained during the titr...

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  4. Basic lead carbonate is:

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  5. The anhydride of acid H(3)PO(4) and HPO(3) are:

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  6. The decreasing trend of acidic nature of trihalides of boron is:

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  7. The mixed salt among the following is:

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  8. pH of water is 7.0 at 25^(@)C. If water is heated to 70^(@)C, the:

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  9. When HCI gas is passed through a saturated solution of common salt, pu...

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  10. The inerferring radicals interfere in the test of usal inorganic analy...

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  11. Given, HF+H(2)Ooverset(K(a))rarrH(3)O^(+)+F^(-) F^(-)+H(2)Ooverset(K...

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  12. Isoelectric point is defined as the pH at which:

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  13. Which may be added to one litre of water to act a buffer?

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  14. The pH of an acidic buffer mixture is:

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  15. The principal buffer present in human blood is

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  16. The ratio of dissociation constant of two weak acids HA and HB is 4. A...

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  17. The pK(a) of acteylsalicylic acid (aspirin) is 3.5. The pH of gastric ...

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  18. The reverse procees of neutralisation is:

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  19. When different types of salts have nearly same solubility product cons...

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  20. The solubility of AgI in NaI is lowest than that in pure water, becaus...

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