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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

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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)) .

RESONANCE-IONIC EQUILIBRIUM-Exercise 1 part 2 only one option correct type
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  5. K(a) for HCN is 5 xx 10^^(-10) at 25^(@)C. For maintaining a constant ...

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  6. The composition of an acidic buffer mixture made up of HA and NaA of t...

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  7. The pH of a solution resulting from the addition of 12.5mL of 0.1M HCl...

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  8. What % of the carbon in the H(2)CO(3)-HCO(3)^(-) buffer should be in t...

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  9. Buffer capacity of a buffer solution is x, the volume of 1 M NaOH adde...

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  10. A certain indicator (an organic dye) has pK(a)=5. For which of the fol...

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  11. The best indicator for detection of end point in titration of a weak a...

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  12. At pH lt3.1, the indicator methyl red is coloured red ,at pH gt 6.3 , ...

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  13. Upon titrating 50mL of 1.96%(w//v) H(2)SO(4) with a KOH solution (cont...

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  14. 100mL of 0.2M benzoic acid (pk(a)=4.2) is titrated using 0.2 M NaOH pH...

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  15. Which of the following solutions have different pH? 100mL" of "0.2m"...

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  16. Upon titrating a solution of weak monoprotic acid with a weak monoacid...

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

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  18. What will be the pH at the equivalence point during the titration of a...

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