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Which of the following pairs consitutes ...

Which of the following pairs consitutes buffer?

A

`NaOH " and " HCI`

B

`HNO_(3) " and " NH_(4)NO_(3)`

C

`HCI " and " KCI`

D

`HNO_(2) " and " NaNO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`HNO_(2) " and " NaNO_(2)` represent a buffer mixture.
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DINESH PUBLICATION-EQUILIBRIUM-Multiple Choice Qestions Bank
  1. The principal buffer present in human blood is

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  2. For reacrtion 2NOC1(g) hArr 2NO(g) + C1(2)(g) , K(c) at 427^(@)C is 3x...

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  3. Which of the following pairs consitutes buffer?

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  4. A weak acid, HA, has a K(a) of 1.00xx10^(-5). If 0.100 mol of the acid...

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  5. the value of equilibrium constant for the reaction HI(g) hArr 1//2 ...

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  6. The dissociation equilibrium of a gas AB(2) can be represented as : ...

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  7. Which of the following molecules acts as a Lewis acid ?

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  8. What is the [OH^(-)] in the final solution prepared by mixing 20.0 mL ...

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  9. What is [H^(+)] in mol//L of a solution that is 0.20 M in CH(3)COONa a...

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  10. Ph of a saturated solution of Ba(OH)(2) " is " 12. The value of solub...

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  11. Equimolar solutions of the following substances were prepared separate...

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  12. Buffer solutions have constant acidity and alkalinity because

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  13. Given that equilibrium constant for the reaction 2SO(2)(g) + O(2)(g)hA...

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  14. Given the reaction between 2 gases represented by A(2) and B(2) to giv...

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  15. Which of these is least likely to act as Lewis base?

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  16. Which of the following salts will give highest pH in water?

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  17. For the reversible reaction N(2) (g) +3H(2) (g) hArr 2NH(3) (g) + ...

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  18. The K(sp) of Ag(2)CrO(4),AgCl,AgBr and AgI are respectively, 1.1xx10^(...

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  19. If the value of equilibrium constant for a particular reaction is1.6xx...

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  20. If the equilibrium constant for N(2) (g) + O(2)(g) hArr 2NO(g) is K...

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