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If K(a(1))gtK(a(2)) of H(2)SO(4) are 10...

If `K_(a_(1))gtK_(a_(2))` of `H_(2)SO_(4)` are `10^(-2)` and `10^(-6)` respectively then:

A

`K_(a_(1))gtK_(a_(2))` because it is easy to abstract `H^(+)` from `H_(2)SO_(4)` and less easy to abstract `H^(+)` from `HSO_(4)^(-)`

B

`K_(a_(1))` and `K_(a_(2))` may be measured in acetic acid

C

`K_(a_(1))` and `K_(a_(2))` are measured in `H_(2)O`

D

the `H^(+)` ion conc. Of `0.01M` `H_(2)SO_(4)` will be less than `0.02`M

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The correct Answer is:
a,b
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GRB PUBLICATION-IONIC EQUILIBRIUM-All Questions
  1. Which of the following can act as buffer ?

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  2. Which of the following will show common ion effect and form a buffer s...

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  3. If K(a(1))gtK(a(2)) of H(2)SO(4) are 10^(-2) and 10^(-6) respectively...

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  4. Which of the following solutions added to 1L of a 0.01 M CH(3)COOH sol...

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  5. Equal volumes of following solutions are mixed. In which case the pH o...

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  6. 100 mL of 0.5 M hydrazoic acid (N3H, Ka=3.6xx10^(-4)) and 400 mL of 0....

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  7. K(a) values for HA,HB and HD are 10^(-5), 10^(-7) and 10^(-9) respecti...

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  8. When 0.1 mol arsenic acid (H(3)AsO(4)) is dissolved in 1L buffer solut...

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  9. Let the colour of the indicator Hin (coloueless) will be visible only ...

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  10. Which of the following mixtures will act as buffer?

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  11. 0.1M CH(3)COOH is diluted at 25^(@)C(K(a)=1.8xx10^(-5)) , then which o...

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  12. The correct increasing order(s) of pH of 0.1M- aqueous solution of the...

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  13. Which of the following is incorrect statement?

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  14. The solubility of a sparingly soluble salt A(x)B(x) in water at 25^(@)...

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  15. Aqueous solutions of HNO(3), KOH, CH(3)COOH,and CH(3)COONa of identica...

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  16. Which statement is/are correct?

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  17. For two different acids with same concentration:

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  18. On adding an acid in a sample of pure water at 25^(@)C :

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  19. Which of the following is correct for 0.1 M BOH solution (k(b)=10^(-5...

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  20. select the correcty statement (s)

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