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Which is the most abundant noble gas ?...

Which is the most abundant noble gas ?

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Argon is the most abundant noble gas
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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Which one of the following does not exist ? (i) XeOF4 (ii) NeF2 (...

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  2. Why do noble gases have comparatively large atomic sizes?

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  3. Which is the most abundant noble gas ?

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  4. Why do members of the noble gas family have low boiling points ?

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  5. Why is OF6 compound not known?

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  6. Why is NF6 compound not known?

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  7. Why are fluorine and oxygen compounds called oxygen fluorides?

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  8. Nitrogen does not form pentahalides. Give reason.

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  9. Noble gases are mostly chemically inert. Give reason.

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  10. Complete and balance the chemical equation: BrO(3)^(-)+ F2 + OH^(-) ...

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  11. Draw the structure of xenon oxyfluoride which is isoelectronic with IF...

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  12. Fluorine provides the largest variety of interhalogen compounds among ...

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  13. Draw and name the molecular shape of SF6.

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  14. Out of H(2)O which one has higher bond angle and why?

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  15. Name one ion whose central atom has sp^3 d^3 type of hybrid orbitals.

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  16. What type of hybridization is associated with N in NH3 ? What is th...

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  17. The bond energy of fluorine is more than that of chlorine.

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  18. Account for the following: Tendency to show -2 oxidation state dimi...

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  19. Which is the strongest oxidising agent among CIO(4)^(-),BrO(4)^(-) an...

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  20. Why is H2S more acidic than H2O ?

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