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K1 and K2 are the first and second disso...

`K_1 and K_2` are the first and second dissociation constants of oxalic acid. Choose the correct statement –

A

`K_(2)" is equal to "K_(1)`

B

`K_(2)" is equal to 1000 times "K_(1)`

C

`K_(2)" is equal to "1/1000" times "K_(1)`

D

All of the above

Text Solution

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The correct Answer is:
C
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MOTION-IONIC EQUILIBRUIM-Exercise -1
  1. If the concentration of the weak monoprotic acid HA is C mmol L^(-1) ...

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  2. The formula to calculate pKa for acetic acid is

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

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

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

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

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

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

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

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  10. Which of the following is an acidic salt –

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  11. Select the correct combination –

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

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

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

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

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

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

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

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  19. Formula for degree of hydrolysis ‘h’, h =[10^(-7)(KaKb)^(-1/2)] is app...

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  20. H^(+) ion concentration of water does not change by adding:

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