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Which of the following compound is triba...

Which of the following compound is tribasic acid?

A

`H_(3)PO_(2)`

B

`H_(3)PO_(3)`

C

`H_(3)PO_(4)`

D

`H_(4)P_(2)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
C
`HO-overset(O)overset(||)underset(OH)underset(|)(P)-OH` it ionizes in three steps because three- OH groups are present.
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Nitrogen family)
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  2. Which oxide of nitrogen is obtained on heating ammonium nitrate at 250...

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  3. Which of the following compound is tribasic acid?

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  4. The element which forms oxides in all oxidation states +1 to +5 is.

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  5. The ONO angle is maximum in :

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  6. The number of P-O-P bridge in the structure of phosphorous pentoxide a...

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  7. The compound which has molecular nature in gas phase but ionic in soli...

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  8. The chemical formula of 'tear gas' is

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  9. The molecular formula of Phosphorous is

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  10. A hydride of nitrogen which is acidic in nature is :

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  11. Cyanamide process is used in the formation of

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  12. Sides of match box have coating of

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  13. Which is true with regard to the properties of PH(3)?

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  14. Action of concentrated nitric acid (HNO(3)) on metallic tin produces

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  15. In which of the following molecules, the central atom has one lone pai...

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  16. A certain element is forms a solid oxide which dissolves in water to f...

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  17. On heating a mixture of NH4 Cl and KNO2, we get

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  18. Which one of the following statements is true for HNO(2)

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  19. Which of the following elements of group VA does not show allotropy

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  20. The chemical used for cooling in refrigeration is

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