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Which one of the acids is a dibasic acid...

Which one of the acids is a dibasic acid ?

A

`H_3 PO_3`

B

`H_3 PO_2`

C

`HPO_3`

D

`H_3 PO_4`

Text Solution

Verified by Experts

The correct Answer is:
A
`H_3 PO_3` contains `2 P -OH` groups.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
  1. White P reacts with caustic soda, the products are PH(3) and NaH(2)PO(...

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  2. White phosphorus may be removed from red phosphorus by

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  3. Which one of the acids is a dibasic acid ?

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  5. The catalyst used in the manufacture of ammonia by Haber process is

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  6. The catalyst used in the manufacture of NO by Ostwald's process is

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  7. Which of the following properties of white phosphorus are shared by re...

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

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  9. Nitrogen molecule is chemically less active because of its

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  10. Addition of conc. HNO3 to conc. H2 SO4 gives

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  11. The reaction between NH2^(Ө) and N2 O gives

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  12. Red phosphorus is less reactive than yellow phosphorus because

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  13. Aqua regia is

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  14. The number of steps, in which orthophosphoric acid is ionised, are

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  15. Phosphorous is usually extracted from

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  16. PCl5 is kept in well stopered bottles because

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  17. The BCl3 is a polar molecule whereas NCl3 is pyramidal because

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  18. N2 forms NCl3 whereas P can form both PCl3 and PCl5. Why ?

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  19. Cl-P-Cl bond angles in PCl5 molecule are

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  20. Hyarolysis of NCl3 gives NH3 and X. Which of the following is X ?

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