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Which noble gas is used in filling ballo...

Which noble gas is used in filling ballons for meteorological observation ?

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Helium is used for filling balloons for meterorological observation because it is non-inflammable.
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PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Which neutral molecule would be isoelectronic with CIO^(-) ?

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  2. Iodine forms I(3)^(-) but F(2) does not form F(3)^(-) ions. Why ?

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  3. Can FCl(3) exist ? Comment.

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  4. IF(7) exists but BrF(7) does not, why ?

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  5. Write two names of interhalogen compounds having sp^(3)d^(2) hybridiza...

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  6. Noble gases are monoatomic in nature. Explain.

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  7. Why does argon not form diatomic molecules like oxygen and nitrogen ?

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  8. Name the noble gas which is obtained from .(86)^(226)Ra. Write its mai...

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  9. Why do boiling points of noble gases increase from helium to radon ?

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  10. Which compound led to the discovery of compounds of noble gases ?

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  11. Complete the following : XeF(2) + PF(5) rarr

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  12. XeF(2) reacts with SbF(5) to form

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  13. Among noble gases, only xenon reacts with flourine to form stable xeno...

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  14. Which element among inert gases has maximum number of compounds ? Writ...

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  15. Why do not helium, neon and argon form chemical compounds ?

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  16. Which is isostructural with (i) ICl (ii) BrO(3)^(-)

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  17. Which xenon compound is isostructural with ICl(4)^(-).

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  18. Write the formula of the noble gas species whicg is isostructural with...

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  19. Why do noble gases have low boiling points ?

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  20. Which noble gas is used in filling ballons for meteorological observat...

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