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Aqueous solution of potash alum is acidi...

Aqueous solution of potash alum is acidic due to the hydrolysis of

A

`K^(+)`

B

`AI^(3+)`

C

`SO_(4)^(2-)`

D

`Mg^(2+)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-IONIC EQUILLIBRIUM-LECTURE SHEET ( EXERCISE-III) ( Straight Objective Type Questions)
  1. Aqucous solution of which of the following shows lower P^(H) ?

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  2. The pH of an aqueous solution of a salt is 10. The salt

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  3. Aqueous solution of potash alum is acidic due to the hydrolysis of

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  4. Dissociation of CH(3),COOH is supressed by adding

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  5. Which pair will show common ion effect ?

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

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

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

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

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  10. Which are acidic salts ?

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

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  12. 0.15 mole of pyridinium chloride has been added into 500 cm^(3) of 0.2...

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

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

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

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

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

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

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  19. 20 ml 0.1M CH(3),COOH has P^(H) value 3. It is titrated with 0.1M NaOH...

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

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