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If degree of dissociation is 0.01 of dec...

If degree of dissociation is `0.01` of decimolar solution of weak acid HA then `pK_(a)` of acid is :

A

2

B

3

C

5

D

7

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NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
  1. A weak base MOH of 0.1N concentration shows a pH value of 9 . What is ...

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  2. 0.01 M HA (aq.) is 2% dissociated, [OH^(-)] of solution is :

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  3. If degree of dissociation is 0.01 of decimolar solution of weak acid H...

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  4. What concentration of HCOO^(-) is present in a solution of weak of 0.0...

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  5. Chose the correct code {:(,"Column"-I , "Column"-II,), ((P), pK(b) "...

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  6. How much water must be added to 300 mL of a 0.2M solution of CH(3)COOH...

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  7. What is [NH(4)^(+)] in a solution that contain 0.02 M NH(3)(K(b)=1.8xx...

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  8. A hand book states that the solubility of RNH(2) (g) in water at 1 atm...

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  9. The [H^(+)] of a resulting solution that is 0.01 M acetic acid (K(a)=1...

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  10. 6.0 g weak acid HA (mol.mass=60 g/mol.) is dissolved in water and form...

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  11. Carbonic acid (H(2)CO(3)), a diprotic acid has K(a1)=4.0xx10^(-7) and ...

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  12. Carbonic acid (H(2)CO(3)), a diprotic acid has K(a1)=4.0xx10^(-7) and ...

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  13. Selenious acid (H(2)SeO(3)), a diprotic acid has K(a1)=3.0xx10^(-3) an...

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  14. Which of the hydrated species may exist? I : H(5)O(2)^(+) , II : H(3...

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  15. Consider the following salts. Which one(s) when dissolved in water wil...

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  16. Consider the following salts. Which one(s) when dissolved in water wil...

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  17. At 25^(@)C dissociation constants of acid HA and base BOH in aqueous s...

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  18. Which of the following solutions has the highest pH?

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  19. pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were f...

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  20. The pH values 0.1 M solution of HCOONa (I), HCOOH (II),CH(3)COONH(4) (...

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