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A solution of weak acid HA was titrated ...

A solution of weak acid HA was titrated with base NaOH. The equivalent point was reached when 40 mL. Of 0.1 M NaOH has been added. Now 20 mL of 0.1 M HCl were added to titrated solution, the pH was found to be 5.0 What will be the pH of the solution obtained by mixing 20 mL of 0.2 M NaOH and 20 mL of 0.2 M HA?

A

7

B

9

C

11

D

None of these

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NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
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  2. Which of the following expression for % dissociation of a monoacidic b...

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  3. A solution of weak acid HA was titrated with base NaOH. The equivalent...

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  4. A buffer solution 0.04 M in Na(2)HPO(4) and 0.02 in Na(3)PO(4) is prep...

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  5. When a 20 mL of 0.08 M weak base BOH is titrated with 0.08 M HCl, the ...

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  6. Calculate approximate pH of the resultant solution formed by titration...

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  7. In the titration of solution of a weak acid HA and NaOH, the pH is 5.0...

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  8. A(3)B(2) is a sparingly soluble salt with molar mass M(gmol(-)) and so...

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  9. A solution is 0.10 M Ba(NO(3))(2) and 0.10 M Sr(NO(3))(2.) If solid Na...

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  10. A solution is 0.01 M Kl and 0.1 M KCl. If solid AgNO(3) is added to th...

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  11. Which of the following are conjugate acid-base pairs ?

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  12. If K(a1),K(a2) and Ka3) be the first, second and third dissociation co...

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  13. H(2)A is a weak diprotic acid. If the pH of 0.1 M H(2)A solution is 3 ...

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  14. Statement-1: pH value of acidic buffer solution changes , If buffer so...

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  15. Assertion : In a titration of weak monoprotic acid with strong base, t...

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  16. Assertion: In the titration of Na(2)CO(3) with HCl using methyl orange...

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  17. Assertion : Solubility of AgCl in NH(3)(aq) is greater than in pure wa...

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  18. Assertion (A): Solubility of AgCN in acidic solutions is greater than ...

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  19. Calculate pOH of 0.1 M aq. Solution of weak base BOH (K(b)=10^(-7)) at...

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  20. pH of 0.01 M aq. Solution of HA is 4. Find the value of pK(a) of HA at...

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