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Account for the following BiCl3 is les...

Account for the following
`BiCl_3` is less covalent than `PCl_3`.

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. (a) Draw the molecular structure of following compounds : (i) XeF(6)...

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  2. State reasons for each of the following : (i) All the P-Cl bonds in...

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  3. Account for the following BiCl3 is less covalent than PCl3.

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  4. Account for the following Nitrogen shows weaker tendency for catena...

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  5. Account for the following : (i) NH(3) is a stronger base than PH(3) ...

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  6. Answer the following : (i) Which neutral molecule would be isoelectr...

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  7. Account for the following : (i) NH(3) is a stronger base than PH(3) ...

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  8. Draw the strucutres of the following H3PO2

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  9. Draw the structures of the following molecules : (i)XeOF(4),(ii) H(3...

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  10. Draw the strucutres of the following H3PO4

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  11. Complete the following chemical equations : P4(s) + NaOH(aq) + H2O r...

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

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  13. Draw the structures of white phosphorus and red phosphorus. Which one...

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  14. How is ammonia manufactured industrially?

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  15. Write main differences between the properties of white phosphorus and ...

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  16. What is the basicity of H3PO3 and why ? Complete the following equat...

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  17. Name the elements belonging to oxygen family and write down their elec...

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  18. Members of the oxygen family are called halogens.

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  19. What is catenation ? Explain why oxygen is diatomic, while sulfur is o...

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  20. Account for the following: The valency of oxygen is generally 2, wh...

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