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Dissociatuion of H(3)PO(4) occurs in fol...

Dissociatuion of `H_(3)PO_(4)` occurs in following stages

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
`H_(3)PO_(4)hArrH^(+)+H_(2)PO_(4)^(2-)`
`H_(2)PO_(4)^(2-)hArrH^(+)+HOP^(4-)`
`HPO_(4)^(-)hArr H^(+)PJO_(4)^(3-)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 18-PAPER 1 (PHYSICS & CHEMISTRY)
  1. Which statement si correct ?

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  2. When an acid cell is charged, then:

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  3. Dissociatuion of H(3)PO(4) occurs in following stages

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  4. Which of the following is not an oxyacid of chlorine ?

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  5. In 3d-transition series with increase in nuclear charge, the screening...

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  6. The prussian blue colour obtained during the test of nitrogen by lassa...

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  7. Which one of the following cannot be considered as use of ether?

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  8. On mixing, heptane and octane form an ideal solution. At 373K the vapo...

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  9. The maximum work obtained by an isothermal reversible expansion of 1 m...

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  10. The reagent commonly used to determine hardness of water titrimetrical...

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  11. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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  12. In the structure given below, the sites S(1) and S(2) represent

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  13. Which one of the following is/are correct statement for physisorption

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  14. Which of the following form a mixed anhydride?

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  15. One of the characteristic of transition metals to from the complex ion...

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  16. What are A and B in the following reaction ? H(2)underset(Br)underse...

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  17. Methyl ketones are usually characterised through

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  18. Solubility curve of Na(2)SO(4)*10H(2)O in water with temperature is gi...

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  19. How many moles of magnesium phosphate, Mg(3)(PO(4)(2) will contain 0.2...

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  20. The reduction potential of a hydrogen electrode at pH 10 at 298K is : ...

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