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Pyrophosphoric acid on heating to 600^(@...

Pyrophosphoric acid on heating to `600^(@)C` gives :

A

`HPO_(3)`

B

`H_(3)PO_(5)`.

C

`H_(3)PO_(3)`

D

`H_(4)P_(2)O_(6)`.

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("acid")underset("Pyrophosphoric")(H_(4)P_(2)O_(7))overset("Heat")rarr 2HPO_(3)+H_(2)O`
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MODERN PUBLICATION-CHEMISTRY OF P - BLOCK ELEMENTS-Multiple Choice Questions (Level - II) (Comprehensive Qs)
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  2. N(2)O(3) exists pure only in the solid state at low temperature. Above...

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  3. Pyrophosphoric acid on heating to 600^(@)C gives :

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  4. Which of the following has -O-O- linkage ?

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  5. The oxidation state of nitrogen in peroxynitric acid is :

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  6. Which of the following is a paramagnetic molecules?

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  8. When thisoulphate is oxidised by iodine, which of the following is pro...

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  9. Which one of the following chlorides will not fume in air?

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  10. Iodine oxidises the S(2)O(3)^(2-) ion to :

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  11. Which of the following is the hardest compound of boron?

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  12. Nitrogen can be purified from the impurities of oxides of nitrogen and...

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  13. Phosphine prepared by the action of caustic soda on white phophorus is...

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  14. A gas that cannot be collected over water is :

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  18. The partial hyddrolysis of XeF(4) at low temperature gives :

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  19. Which of the following is not used as a pigment in paints?

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  20. Hydrolysis of one mole of peroxodisulphuric acid produces :

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