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If the concentration of the weak monopr...

If the concentration of the weak monoprotic acid HA is C mmol `L^(-1)` and its ionization constant is `K_(a)`, then

A

`1/ pK_(a)-1/2 log C`

B

`(K_(a) xx C)^(1/2)`

C

`1/2 pK_(a) +1/2 log C`

D

`alpha.C`

Text Solution

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The correct Answer is:
A
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MOTION-IONIC EQUILIBRUIM-Exercise -1
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  2. A monoprotic acid in a 0.1 M solution ionizes to 0.001%. Its ionisatio...

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  3. If the concentration of the weak monoprotic acid HA is C mmol L^(-1) ...

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  4. The formula to calculate pKa for acetic acid is

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  5. K1 and K2 are the first and second dissociation constants of oxalic ac...

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  6. K(a(1)), K(a(2)) and K(a(3)) are the three dissociation constants of H...

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  7. For two weak acids A and B, the ratio of their percent ionization is 4...

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  8. The pH of two equimolar weak acids are 3.0 and 5.0 respectively. Their...

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  9. The dissociation constant of two weak acids are k(a(1)) & k(a(2)) resp...

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  10. Addition of sodium acetate solution to acetic acid causes the followin...

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  11. The pH of two solutions are 5 and 3 respectively. What will be the pH ...

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  12. Which of the following is an acidic salt –

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  13. Select the correct combination –

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  14. Expression Pkh = pKw - pKa - pKb is not applicable to –

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  15. What is the pH of an aqueous solution of ammonium acetate (Ka= Kb =1....

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  16. If pKb gt pKa then the solution of the salt of weak acid and weak base...

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  17. pOH=7-0.5pKa+0.5 pKb is true for aqueous solution containing which pai...

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  18. For a salt of weak acid and weak base [pKa- pKb] would be equal to –

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  19. Which of the following compound forms an aqueous solution which is aci...

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  20. The salt of which of the following four weak acids will be most hydrol...

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