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Why does H(3)PO(3) act as a reducing age...

Why does `H_(3)PO_(3)` act as a reducing agent but `H_(3)PO_(4)` does not ?

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`H_(3)PO_(3)` contains one P-H bond and hence acts as a reducing agent but `H_(3)PO_(4)` does not contain a P-H bond and hence does not act as a reducing agent.
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H_(3)PO_(3) is

Why does H_(3)PO_(2) behave as reducing agent?

H_(3)PO_(2) " and " H_(3)PO_(3) act as good reducing agents while H_(3)PO_(4) does not. Discuss.

Why is H_(3)PO_(2) a stronger reducing agent than H_(3PO_(3) ?

Assertion : H_(3)PO_(2) has strong reducing property but H_(3)PO_(4) does not. Reason : P-OH bond present in H_(3)PO_(4) .

Among H_(3)PO_(4) and H_(3)PO_(3) - H_(3)PO_(3) is reducing agent and dibasic H_(3)PO_(4) is reducing agent and dibasic H_(3)PO_(4) is reducing agent and tribasic H_(3)PO_(3) is reducing agent and tribasic

PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. What is the oxidation number of phosphorus in H(3)PO(2) molecule ?

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  2. What should be the order of acidic strength in the series H(3)PO(4), H...

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  3. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  4. Why does orthophosphoric acid exist as a syrupy liquid ?

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  5. How is pyrophosphoric acid related to orthophosphoric acid ?

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  6. Why are the group 16 element called chalcogens ?

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  7. What is the outer shell electronic configuration of the chalcogens ?

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  8. Write the structure of a chalcogenide dianion.

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  9. Name the allotropes of oxygen.

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  10. The two O-O bond lengths in ozone molecule are equal. Assign reason.

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  11. Ozone is thermodynamically unstable. Give reasons.

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  13. Find out the oxidation number of S in (i) SO(2)Cl(2) and (ii) Na(2)S(2...

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  14. Why OF(6) does not exist but SF(6) exists ?

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  15. Predict the relative acidic strength among the following: H(2)O, H(2...

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  16. Give reasons : Thermal stability decreases from H(2)O " to " H(2) Te...

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  17. Arrange the following hydrides of Group 16 elements in the increasing...

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  18. Of PH(3) and H(2)S which is more acidic and why ?

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  19. Arrange the following in order of property indicated for set: H(2)O...

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