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Phosphorus acid can act both as oxidisin...

Phosphorus acid can act both as oxidising agent as well as reducing agent while phosphoric acid is only an oxidising agent. Explain.
" " Or
Phosphorus acid undergoes disproportionation reaction but phosphoric acid does not. Explain.

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HI has a weaker covalent bond than HCl due to the larger size of the I atom than that of Cl atom. Cosequently, HI is a stronger acid.
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Questions From Board Examinations
  1. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  2. The compound which could not act both as oxidising and reducing agent ...

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  3. Phosphorus acid can act both as oxidising agent as well as reducing ag...

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  4. Assertion : Fluorine is the strongest oxidising agent in halogens. R...

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  5. What happen when Cl(2) is passed through a hot concentrated solution o...

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  6. XeF(4) on partial hydrolysis produces

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  7. PH(3) has lower boiling point that NH(3). Why ?

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  8. Why does PCl(3) fumes in air ?

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  9. Which set of elements have strongest tendency to form anions ?

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  10. Molecular shape of SF(4), CF(4) and XeF(4) are

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  11. Write the balanced equation for the following chemical reaction: "Hy...

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  12. Write the balanced chemical equations for the following. (i)Hypophos...

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  13. The oxidation states exhibites by hydrogen in its various compounds ar...

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  14. Arrange the following acids in the decreasing order of their acid stre...

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  15. When the first electron gain enthalpy (triangle(eg)H) of oxygen is -14...

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  16. Give the formula and describe the structure of a noble gas species whi...

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  17. Bond angle in NH(3) is more than in PH(3). Explain.

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  18. NaOH gives disproportionation reaction with

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  19. Give one use of lichen

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  20. Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

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