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How is phosphine prepared in the laborat...

How is phosphine prepared in the laboratory ? Write its balanced equation. How does it react with (i) `Cl_(2)` (ii) acidified `CuSO_(4)` solution (iii) `O_(2)` (iv) `AgNO_(3)` solution (v) HI ?

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PRADEEP-P-BLOCK ELEMENTS -SHORT ANSWER QUESTIONS
  1. Nitrous acid acts as an oxidising as well as a reducing agent while ni...

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  2. Write main differences between the properties of white phospghorus and...

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  3. How is phosphine prepared in the laboratory ? Write its balanced equat...

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  4. Complete the following chemical equations : (a) Ca(3)P(2)(s) + H(2)O...

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  5. How is PCl(3) prepared from white phosphorus ? How does it react with ...

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  6. Write balanced equation for the formation of NCl(3) and PCl(3). Give e...

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  7. Give two methods of preparation of PCl(5) and discuss its structure.

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  8. Complete the following chemical equations : (a) P(4) + 8 SOCl(2) rar...

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  9. Give structures of P(4)O(6) and P(4)O(10)

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  10. Draw the structure of the following : (a) H(3)PO(2) (b) H(3)PO(3) ...

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  11. (a) Write chemical equation involved in the preparation of H(3)PO(3). ...

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  12. Arrange the following in increasing order of the property indicated : ...

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  13. Why are elements of oxygen family called chalcogens ?

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  14. Give suitalbe examples to show that sulphur has a strong tendency for ...

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  15. What is catenation ? Explain why oxygen is diatomic, while sulphur is ...

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  16. Explain : (a) Oxygen molecule has formula O(2) whilst sulphur is S(8...

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  17. Describe the hydrides of group 16 under the following heads : (i) Vo...

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  18. H(2)O is liquid while H(2)S is a gas at room temperature. Explain.

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  19. Compare the structures of the following : (i) SO(2) and SiO(2) (ii) SO...

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  20. SO(2) can act as an oxidising agent as well as a reducing agent but SO...

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