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Among the noble gases only xenon is well...

Among the noble gases only xenon is well known to form chemical compounds.

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Among the noble gases, xenon has the largest size and smallest ionization enthalpy.
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Give reasons : (i)Xenon does not form fluorides such as XeF_(3) and XeF_(5) .(ii)Out of noble gases, only xenon is known to form established chemicals compounds.

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Which is least basic ? SbH(3)PH3,NH3,AsH3

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  2. Draw the structure of XeF(2)

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  3. Among the noble gases only xenon is well known to form chemical compou...

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  4. Assign reason for the following: In solid state, PCI5 , behaves as an ...

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  5. Are all the five bonds in PCl(5) molecule equivalent? Justify your ans...

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  6. Complete the following reactions : (i) P4 + SOCl2 rarr

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  7. Complete the following reactions : (ii) CH3COOH + PCl5 rarr

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  8. What happens when (write balanced chemical equations): Ammonia is ...

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  9. In which one of the two structures, NO(2)^(+) and NO(2)^(-) the bond a...

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  10. Why is the bond angle in PH(3) molecule lesser than that in NH(3) mole...

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

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  12. Why is Bi(V) a stronger oxidant than Sb(V) ?

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  13. Why is red phosporus less reactive than white phosphorus?

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  14. In the ring test for identification of nitrate ion, what is the formul...

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  15. Write the balanced equation for complete hydrolysis of XeF6.

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  16. In what way can it be proved that PH(3) is basic in nature?

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  17. Draw the structure of O(3) molecule.

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  18. Explain the following observations : (i) Fluorine does not exhibit a...

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  19. Nitrogen is relatively inert as compared to phosphorus. Why ?

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  20. Comment on the nature of two S–O bonds formed in SO(2) molecule. Are t...

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