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PCl5 is known but PI5 is not known. Why?...

`PCl_5` is known but `PI5` is not known. Why?

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Write the balanced chemical equation for the reaction of CI2 with hot ...

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  2. OF(2) should be called oxygen difluoride and not fluorine oxide. Expla...

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  3. PCl5 is known but PI5 is not known. Why?

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  4. Answer the following question in one word- Name one alloy that is used...

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  5. Answer the following question in one word- Bella of school and temples...

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  6. Express 1123 in roman numbers.

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  7. Express 1124 in roman numbers.

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  8. Why does ammonia act as a lewis base?

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  9. Bond angle in NH4^+ is more than that in NH3.

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  10. Arrange the following in the order of property indicated against set ...

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  11. Arrange the following in the order of property indicated against set ...

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  12. Account for the following: PCl5 is more covalent than PCl3 .

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  13. Express 1160 in roman numbers.

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  14. Express 1125 in roman numbers.

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  15. Bi (V) is a stronger oxidising agent than Sb (V). Why ?

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  16. Answer the following question in one word- Coins we use are made up of...

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  17. Answer the following statement in one word- Various idols and parts of...

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  18. Draw the molecular structure of the following : XeF4

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  19. Draw the structures of the following compound : N2O5

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  20. Write the structural difference between white P and red P.

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