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Consider H(3)PO(2),H(3)PO(3),H(3)PO(4) a...

Consider `H_(3)PO_(2),H_(3)PO_(3),H_(3)PO_(4) and H_(4)P_(2)O_(7)` . Which of the above oxoacids results into two series of salts ?

A

`H_(3)PO_(2)`

B

`He_(3)PO_(3)`

C

`H_(3)PO_(4)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Phosphorous acid ` (H_3PO_3)` is a diprotic acid . It forms two series of salts such as `NaH_2PO_3` and `Na_2HPO_3` but none of the type `NaPO_3` with NaOH . Its structure is as
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-P-BLOCK ELEMENTS -Exercise 2
  1. The oxoacids of S having -S-S- bond is/are I. H(2)S(2)O(4) II....

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  2. When HCl reacts with finely powdered iron, it forms ferrous chloride a...

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  3. Consider H(3)PO(2),H(3)PO(3),H(3)PO(4) and H(4)P(2)O(7) . Which of the...

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  4. Draw the structure of BrF(3).

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  5. Liquor ammonia bottles are opened only after cooling. This is becaus...

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  6. Consider the following statement . I. XeOF(4) has square pyramidal s...

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  7. Ammonia forms the complex [Cu(NH3)4]^(2+) with copper ions in alkaline...

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  8. The ease of liquefaction of noble gases increases in the order

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  9. H2S reacts with O2 to form

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  10. On heating NH(4)NO3 strongly which is obtained ?

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  11. Sulphuric acid reacts with PCl5 to give

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  12. The type of bonds present in sulphuric anhydride

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  13. Elements of group 15 form compounds in +5 oxidatin state. However, bis...

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  14. When conc. HNO(3) is heated with P(2)O(5), it forms

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  15. In the laboratory H2S gas is prepared by using black lumps and dil. H...

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  16. When conc. H(2)SO(4) is heated with P(2)O(5), the acid is converted to

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  17. Sulphur does not exist as S2 molecule because

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  18. SO(2) does not act as a/an

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  19. The noble gas mixture is cooled in a coconut bulb at 173K. The gases ...

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  20. Among the C-X bond (where, X=Cl,Br,I) the correct decreasing order of ...

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