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Which one of the following noble gases i...

Which one of the following noble gases is not found in atmoshphere?

A

`Rn`

B

`Kr`

C

`Ne`

D

`Ar`

Text Solution

Verified by Experts

The correct Answer is:
A

All the noble gases except radon occur in the atmosphere.
Xenon and radon are the rarest elements of the group. Radon is obtain as a decay product of `226Ra`.
`._(88)^(226)Ra rarr ._(86)^(222)Rn+ ._(2)^(4)He`
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Knowledge Check

  • Which one of the following noble gases is not found in atmosphere ?

    A
    Rn
    B
    Kr
    C
    Ne
    D
    Ar
  • Which of the following noble gases does not form clatherates?

    A
    He
    B
    `Br_(2)`
    C
    Ar
    D
    Xe
  • Which of the following noble gases is least polarizable

    A
    He
    B
    Ar
    C
    N
    D
    Xe
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