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Which of the following will produce a bu...

Which of the following will produce a buffer sollution when mixed in equal volumes ?

A

`0.1"mol dm"^(-3)NH_4OH and 0.1"mol dm"^(-3)HCl `

B

`0.05"mol dm"^(-3) NH_4OH and 0.1" mol dm"^(-3) HCl `

C

`0.1"mol dm"^(-3) NH_4OH and 0.05"mol dm"^(-3)HCl`

D

`0.1"mol dm"^(-3) CH_4COONa and 0.1"mol dm"^(-3) NaOH`

Text Solution

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The correct Answer is:
C
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MOTION-IONIC EQUILIBRUIM-Exercise -1
  1. Formula for degree of hydrolysis ‘h’, h =[10^(-7)(KaKb)^(-1/2)] is app...

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  2. H^(+) ion concentration of water does not change by adding:

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  3. Which of the following will produce a buffer sollution when mixed in e...

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  4. The pH of buffer of NH4OH + NH4Cl - type is given by -

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  5. A buffer solution can be prepared by mixing solution of:

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  6. Which one of the following mixture does not act as a buffer solution?

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  7. In the neutralization process of H3PO4 and NaOH, the number of buffers...

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  8. H(2)CO(3)+NaHCO(3) found in blood helps in maintaining pH of the blood...

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  9. pH range of colour change for methyl orange indicator is-

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  10. The colour of phenolphthalein in acid is-

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  11. Methyl orange is an example of :

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  12. Phenolphthalein is-

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  13. According to Modern quinoid theory the indicator used in acid-alkali t...

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  14. Phenolphthalein shows colour change in a definite pH range, which is-

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  15. If s is the molar solubility of Ag2SO4, then

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  16. Which of the following would increase the solubility of Pb(OH)(2)?

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  17. The aqueous solution of which of the following sulphides would contain...

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  18. Which of the following has the maximum solubility in water?

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  19. The necessary condition for saturated solution is –

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  20. At 30^(@) C the solubility of Ag(2)CO(3) (K(SP)=8xx10^(-12)) would be ...

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