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H(3)PO(3) acts as a reducing agent but H...

`H_(3)PO_(3)` acts as a reducing agent but `H_(3)PO_(4)` does not why?

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P-H bond in `H_(3)PO_(3)` but not in `H_(3)PO_(4)` ,
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H_3PO_3 acts as a reducing agent but H_3PO_4 does not. Why?

H_(3)PO_(3) acts as a reducing agent while H_(3)PO_(4) does not-Explain. Mention the basicities ol these two acids.

Give reasons for the following: H_(3)PO_(2) is a stronger reducing agent than H_(3)PO_(3)

H_(3)PO_(3) is a _______acid.

Explain- H_(3)PO_(2) is a strong reducing agent.

Give reasons: H_(3)PO_(3) undergoes disproportionation reaction, but H_(3)PO_(4) does not.

Strong reducing behaviour of H_(3)PO_(2) is due to -

The strong reducing property of H_(3)PO_(2) is due to -

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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SHORT ANSWER-TYPE QUESTIONS
  1. Give an example of the formation of a solid product by the reaction be...

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  2. Liquid ammonia is widely used as a refrigerant-why?

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  3. H(3)PO(3) acts as a reducing agent but H(3)PO(4) does not why?

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  4. NCl(3) undergoes ready hydrolysis but NF(3) does not why?

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  5. Give an example of a disproportionation reaction of H(3)PO(3).

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  6. What is Holme's signal?

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  7. At room temperature, H(2)O is a liquid but H(2)S is a gas why?

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  8. Explain why ozone is a strong oxidising agent.

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  9. Na(2)O(2) is called peroxide but PbO(2) is called dioxide why ?

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  10. Rubber cork is not used in any experiment involving - why ?

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  11. How can dilute H(2)SO(4) be prepared from concentrated H(2)SO(4) ?

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  12. State what happens when cone. H(2)SO(4) is added to cane sugar.

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  13. OF(6) does not exist-why?

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  14. Identify X in the reaction: Cl(2) + 2X^(-) to 2Cl^(-) + X(2) and expl...

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  15. Arrange HCIO, HCIO(3), HCIO(4) and HCIO(4) in order of increasing oxi...

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  16. Iodine is libereated when Cu^(2+) reacts with KI but chlorine is not...

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  17. What can be used to remove iodine stain from clothes and why?

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  18. F is a non-metal but I exhibits some metallic property why?

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  19. lnterhalogen compounds are more reactive halogens-why?

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  20. The noble gases are almost chemically inert-why ?

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