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Which of the following system is not ...

Which of the following system is not a buffer system ?

A

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

B

`Na_(2)HPO_(4)` and `NaH_(2)PO_(4)`

C

`KNO_(2)`and `HNO_(2)`

D

`KHSO_(4) and H_(2)SO_(4)`

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FIITJEE-IONIC EQUILIBRIUM -ASSIGNMENT PROBLEMS (OBJECTIVE ) LEVEL - I
  1. The pH of a saturated solution of Mg(OH)(2) is 10.6 . The K(sp) v...

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  2. % hydrolysis of 0.1M CH(3)COONH(4), when K(a)(CH(3)COOH)=K(b)(NH(4)OH)...

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  3. Which of the following system is not a buffer system ?

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  4. If each of the following solution is ten fold diluted , the pH chang...

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  5. The ratio of degree of dissociation of HCN when concentrations are ...

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  6. A solution is 0.09 M in HCl and 0.09 M in CH(2)ClCOOH . The pH of ...

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  7. For all practical purposes , the contribution of H^(+) ion from ...

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  8. Which of the following combinations of solutes would result in the...

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  9. The weight of CH(3)COONa needed to add in 1 litre N/10 CH(3)COOH ...

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  10. One litre of a saturated solution of CaCO(3) is evaporated to dryness ...

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  11. 1.0 M solution of a weak base , BOH is only 0.5 % ionized . If 2...

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  12. 50 ml of a weak acid , HA , required 30 ml 0.2 M NaOH for the en...

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  13. If equilibrium constant of HA+H(2)O hArr A^(-) +H(3)O^(+) at 2...

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  14. 0.1 M solution of which of the following substances is most acidic...

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  15. The following reaction takes place in the body CO(2)+H(2)OhArrH(2)CO...

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  16. The solubility of A(2)X(5) is x mole dm^(-3) . Its solubility produ...

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  17. The solubility of CH(3)COOAg would be least amongst the following s...

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  18. If K(h) (hydrolysis constant) for anilinium ion is 2.4xx10^(-5) M, the...

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  19. At a certain temperature , K(w) of water is 9.0 xx 10^(-14) . The pH...

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  20. Which of the following will have nearly equal [H^(+)] concentration...

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