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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

4

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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)) .

Find the total number of diprotic acids among the following: 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)

NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
  1. A 1L solution contains 0.2M NH(4)OH and 0.2M NH(4)Cl. If 1.0 mL of 0.0...

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  2. 0.1 M formic acid solution is titrated against 0.1 M NaOH solution. Wh...

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

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  4. A buffer solution is made up of acetic acid [pK(a)=5] having conc.=1.5...

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  5. The pH of a solution of 0.10 M CH(3)COOH increases when which of the f...

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  6. H^(+) ion concentration of water does not change by adding:

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  7. pK(a) of NH(4)^(+) is 9.26. Hence, effective range for NH(4)OH-NH(4)Cl...

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  8. 1.0 L solution is prepared by mixing 61 g benzoic acid (pK(a)=4.2) wit...

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  9. The pH of a solution containing 0.4 M HCO(3)^(-) and 0.2 M CO(3)^(2-) ...

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  10. The pH of the resultant solution of 20 mL of 0.1 M H(3)PO(4) and 20 mL...

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  11. The graph represents the titration curve for :

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  12. When 100 mL of 0.1 M NaCN solution is titrated with 0.1 M HCl solution...

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  13. The best indicator for the detection of the end point in the titration...

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  14. Select the best indicator from the given table for titration of 20 mL ...

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  15. Bromothymol blue is an indicator with a K(a) value of 6xx10^(-5). What...

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  16. An acid-base indicator has a K(a) of 3.0 xx 10^(-5). The acid form of ...

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  17. An acid-base indicator which is a weak acid has a pK(In) value =5.45. ...

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  18. A 20.0 mL sample of a 0.20 M solution of the weak diprotic acid H(2)A ...

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  19. During the titration of a weak diprotic acid (H(2)A) against a strong ...

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  20. In which of the following cases is the solution of AgCl unsaturated?

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