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When a Radioactive substance is kept in ...

When a Radioactive substance is kept in a vessel, थे atmosphere around it is rich with

A

He

B

Ne

C

Ar

D

Xe

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The correct Answer is:
A
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AAKASH SERIES-REVISION EXERCISE -NOBLE GASES
  1. When a Radioactive substance is kept in a vessel, थे atmosphere around...

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  2. Which element disintegrates to give two noble guses

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  3. The actual density of nitrogen is 1.2519 "lit"^(-1) . The density of n...

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  4. Noble gases exists only in monoatomic state. This is due to

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  5. If one litre of air is passed repeatedly over heated copper and magnes...

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  6. The maximum valency (8) is shown by

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  7. Regarding XeF2, the correct combination is (L.P = lone pairs mu = Dipo...

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  8. Which of the following is diamagnetic in nature?

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  9. The incorrect statement regarding to Noble gases is

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  10. The fact helped the preparation of first compound of Xenon

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  11. Noble gases are only sparingly soluble in water due to :

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  12. The noble gas compound iso-structural with bromate ion is:

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  13. Which of the following has a planar structure?

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  14. Which of the following is not correct ?

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  15. Which of the following is more volatile ?

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  16. Which of the following cannot be formed ?

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  17. Among the following molecules, a) XeO3, b) XeOF4 " and " c) XeF6, ...

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  18. In a compound of sulphur, the sulphur atom is in second excited state....

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  19. Bond length order in various xenon fluorides is

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  20. XeF6 on partial hydrolysis gives

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