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What happens when phosphoric acid is hea...

What happens when phosphoric acid is heated ?

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RESONANCE-P BLOCK ELEMENTS-Exercise 1 part 1 subjective ques
  1. Nitric acid acts as an oxidising agent while nitrous acid can act both...

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  2. What products are formed when H(3)PO(2) is heated at 415 K and at 435 ...

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  3. What happens when phosphoric acid is heated ?

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

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

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  6. What happens when : (i) PCl(5), is heated (ii) H(3)PO(3) is heated

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

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

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

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

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  11. Manufacture of phophoric acid from phosphorus.

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  12. Write the allotropic forms of oxygen.

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

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

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

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  16. What happens when one mole of per oxodisulphuric acid reacts with one ...

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  17. Out of following forms of sulphur S(8),S(6) and S(2) which one is para...

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  18. Why concentrated H(2)SO(4) can not be used for drying H(2)?

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  19. Consider the following molecules : H(2)O H(2)S H(2) Se H(2)Te I ...

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  20. Why sulphurous acid and sulphites are reducing in nature.

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