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Why does H3PO3 act as a reducing agent ...

Why does `H_3PO_3` act as a reducing agent but `H_3PO_4` does not?

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RESONANCE ENGLISH-P BLOCK ELEMENTS-Exercise 1 part 1 subjective ques
  1. What products are formed when H(3)PO(2) is heated at 415 K and at 435 ...

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  2. What happens when phosphoric acid is heated ?

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  3. Why does H3PO3 act as a reducing agent but H3PO4 does not?

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  4. What happens when white phosphorus is boiled with a strong solution of...

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  5. What happens when PCl(5) is heated?

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  6. Why does PCl(3) fume in moisture ?

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  7. Write the chemical reactions of P(4)O(6) with cold and hot water.

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  8. Mg3 N2 on reaction with water gives off NH3, but MgCl2 on reaction wit...

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  9. Write balanced equation for the following : Phosphorus is treated wi...

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  10. Compare the radii of two nuclei with mass number 27 and 8 respectively...

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  11. Compare the radii of two nuclei with mass number 8 and 125 respectivel...

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  12. Explain why the liquid oxygen sticks to the magnet pole but liquid nit...

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  13. Which allotropic form of sulphur is thermodynamically stable at room t...

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  14. On moving down the group forms H(2)S to H(2)Te acidic strength increas...

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  15. Hydrolysis of one mole of peroxodisulphuric acid produces

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  16. is sulphur S(2) is paramagnetic in nature and why ?

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  17. State True or false : concentrated H(2)SO(4) can not be used for dry...

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  18. Consider the following molecules : H(2)O ,H(2)S ,H(2) Se ,H(2)Te A...

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  19. Describe the action of heat on the following compounds: NH(4)NO(3)

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  20. Describe the action of heat on NaHSO(3)

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