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A buffer solution is prepared by mixing ...

A buffer solution is prepared by mixing `CH_(3) COONa` and `CH_(3) COOH`. The `pK_(a)` of acetic acid is 4.74 . To maintain the pH of the buffer solution as 6.04 , the concentration ratio of `CH_(3) COONa` and `CH_(3) COOH` to be maintained is

A

`1 : 20`

B

`1 : 10`

C

`2 : 1`

D

`20 : 1`

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The correct Answer is:
D
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AAKASH SERIES-REVISION EXERCISE -CHEMICAL EQUILIBRIUM
  1. A one litre solution contains 0.08 mole of acetic acid (K(a) = 1.75 xx...

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  2. The pH of a buffer solution is 4.745 . When 0.044 mole of Ba(OH)(2) is...

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  3. A buffer solution is prepared by mixing CH(3) COONa and CH(3) COOH. Th...

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  4. A solution contains equimolar concentration of a weak acid HA and its ...

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  5. A buffer solution consists of 1 mole each of HA and its conjugate base...

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  6. In an acidic buffer solution (pH = 4.4) , the concentration ratio of a...

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  7. 4 mole of NH(4) OH and 1 mole of H(2) SO(4) are mixed and dilute to 1 ...

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  8. When CO(2) is bubbled in excess of water , the following equilibrium i...

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  9. pH of a buffer solution decreases by 0.02 units when 0.12 g of acetic ...

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  10. 20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. K...

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  11. Let the solubilities of AgCl in H2 O , 0.01 M CaCl(2) , 0.01 M NaCl an...

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  12. At 298 K , the K(sp) of M(2) SO(4) is 3.2 xx 10^(-5) . The maximum con...

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  13. The pH of the neutralisation point of 0.1 N NaOH with 0.1 N HCl is

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  14. The precipitate of CaF(2) (K(sp) = 1.7 xx 10^(-10)) is obtained when e...

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  15. Which of the following is relatively weak acid ? (pK(a) values are giv...

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  16. A basic buffer contains equal concentration of base and its salt . The...

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  17. The Ksp values of MA , MB , MC , MD are 1.8 xx 10^(-10) , 4 xx 10^(-3)...

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  18. When inert gas is added to the given reversible process at constant pr...

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  19. Which has maximum pH

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  20. pK(b) of aq. NH(3) is 4.74 hence pH of 0.01 M NH(3) solution is

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