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Which buffer solution out of the followi...

Which buffer solution out of the following will have `pH gt 7`?

A

`CH_(3)COOH //CH_(3)COONa`

B

`HCOOH//HCOOK`

C

`CH_(3)COONH_(4)`

D

`NH_(4)OH//NH_(4)Cl`

Text Solution

Verified by Experts

The correct Answer is:
D
`NH_(4)OH//NH_(4)Cl` is basic buffer and has pH `gt7`
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DINESH PUBLICATION-IONIC EQUILIBRIUM -REVISION QUESTIONS FROM COMPETITVE EXAMS
  1. pK(a) values of two acids. A and B are 4 and 5. The strengths of these...

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  2. The dissociation constant of water is 1 xx 10^(-14) mol ^(-2) litre ^...

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  3. Which buffer solution out of the following will have pH gt 7?

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  4. Ionisation constant of CH(3)COOH is 1.7 xx 10^(-5) and concentration f...

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  5. Solubility if M(2)S type salt is 3.5xx10^(-6), then find out its solub...

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  6. Which of the following is a Bronsted acid as well Bronsted base ?

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  7. A certain buffer solution sontains equal concentration of X^(-) and HX...

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  8. The pH of a buffer containing equal molar concentration of a weak base...

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  9. Solution of 0.1 N NH(4)OH and 0.1 N NH(4)Cl has pH 9.25, then find out...

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  10. How do we differentiate between Fe^(3+) and Cr^(3+) in group lll?

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  11. A solution of an acid has pH= 4.70. Find out the concentration of OH^(...

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  12. Species acting as both Bronsted acid and base is:

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  13. 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution ...

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  14. A solution of MgCl(2) in water has pH

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  15. In the equation I(2)+I^(-) rarr, I(3)^(-) which is Lewis base

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  16. Among the following the weakest base is

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  17. Ammonium ion is

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  18. Water is a

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  19. An example of salt that will not hydrolyse is

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  20. Which one of the following is the buffer solution of strong acidic nat...

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