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A 0.1 M solution of weak acid HA is 1% d...

A 0.1 M solution of weak acid HA is 1% dissociated at `25^(@)`C To this solution NaA is added till [NaA] = 0.2 M, if the new degree of dissociation of HA =` yxx 10^(-5)` then what is 'y'?

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AAKASH SERIES-IONIC EQUILLIBRIUM-LECTURE SHEET ( EXERCISE-III) ( Straight Objective Type Questions)
  1. Dissociation of CH(3),COOH is supressed by adding

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  2. Which pair will show common ion effect ?

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  3. Equal volumes of the following solutions are mixed. Which form buffer ...

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  4. pH of (HCN + KCN) buffer can be inreased by .

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  5. Which one of the following is/are buffer solution(s)?

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  6. Which of the following do not show change in pH on dilution?

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  7. Which are acidic salts ?

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  8. A 0.1 M solution of weak acid HA is 1% dissociated at 25^(@)C To this ...

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  9. 0.15 mole of pyridinium chloride has been added into 500 cm^(3) of 0.2...

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  10. A certain buffer solution contains equal concentration of X^(-) and HX...

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  11. Certain weak acid has P^(ka) = 4. Find pH of 0.01M NaA(ag)

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  12. The dissociation constant of a substituted benzoic acid at 25^(0)C is ...

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  13. If P^(ka) of acetic acid and P^(kb) of ammonium hydroxide are 4.76 ea...

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  14. Higher the amount of acid or base used to produce a definite change of...

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  15. Higher the amount of acid or base used to produce a definite change of...

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  16. 20 ml 0.1M CH(3),COOH has P^(H) value 3. It is titrated with 0.1M NaOH...

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  17. What is the p^(H) of the solution after 50% of acid is neutralised

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  18. What is [OH^(-1)] of the solution at the equivalence point at 25^(@) C

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  19. The following aqueous solutions given in column containing 1:1 mole ra...

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  20. Match the Column-I with Column-II : {:("List-I", " " "List-II"),((A)...

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