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The acid which forms two series of salts...

The acid which forms two series of salts is

A

`H_(3)PO_(4)`

B

`H_(3)PO_(3)`

C

`H_(3)BO_(3)`

D

`H_(3)PO_(2)`

Text Solution

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The correct Answer is:
B
`H_(3)PO_(3)` is diabasic and forms two series of salts. `H_(3)PO_(4)` is tribasic , `H_(3)BO_(3)` is monobasic. `H_(3)PO_(2)` is also monbasic.
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DINESH PUBLICATION-THE NITROGEN FAMILY-Revision question
  1. The most acidic of the following compounds is

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  2. Which of the following halides is the most acidic?

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  3. The acid which forms two series of salts is

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  4. Which of the following is a cyclic phosphate?

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  5. Which of the following has least covalent P-H bond

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  6. The basic character of hydrides of the V-group elements decreases in ...

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  7. At. No. of N is 7, the At. No. of the third member of nitrogen family ...

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  8. Which of the following oxides will be the least acidic?

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  9. the correct structural formula of hypophosphorous acid is

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  10. Which of the following compounds does not exist ?

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  11. In Nitrogen family the H-M-H angle in the hydrides MH(3) gradually bec...

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  12. In PO(4)^(3-) the formal charge on each O-atom and P-O bond order resp...

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  13. P-O-P bond is present in

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  14. Which of the following is the correct statement for PH3?

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  15. The equivalent weight of phosphoric acid (H3 PO4) in the reaction

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  16. Boiling/melting points of the following hydrides follow in order.

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  17. The oxyacid of phosphorus in which phosphorus has the lowest oxidation...

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  18. Which of the following species is isoelectronic with CO?

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  19. Which oxide of nitrogen is obtained on heating ammonium nitrate at 250...

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  20. Which of the following oxides is the most acidic?

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