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In the neutralization process of H3PO4 a...

In the neutralization process of `H_3PO_4 and NaOH`, the number of buffers formed will be -

A

3

B

1

C

2

D

4

Text Solution

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The correct Answer is:
A
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What is the basicity of H_3PO_4 ?

Basicity of H_3 PO_4 and H_3 PO_3 are

Statement-1: Heat of neutralisation of H_(3)PO_(4) with NaOH is more than that of HCl with NaOH. Statement-2: H_(3)PO_(4) is a triprotic acid and hence release more heat on complete neutralization, while HCl is a monoprotic acid.

One mole of H_3PO_3 on reaction with excess of NaOH gives :

For H_3 PO_3 and H_3 PO_4 , the correct choice is

MOTION-IONIC EQUILIBRUIM-Exercise -1
  1. Which of the following will produce a buffer sollution when mixed in e...

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

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

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

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

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

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

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  8. The colour of phenolphthalein in acid is-

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  9. Methyl orange is an example of :

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  10. Phenolphthalein is-

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

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

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

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

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

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

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  17. The necessary condition for saturated solution is –

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

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  19. Which of the following expressions shows the saturated solution of PbS...

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  20. The correct relation between Ksp and solubility for the salt KAI(SO(4)...

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