Which of the following is not correct?

  • A
    $XeO_3$ has four $\sigma$ and four $\pi$ bonds.
  • B
    $Xe$ in $XeO_4$ is $sp^3d^2$ hybridized.
  • C
    Among noble gases,$Argon$ is the most abundant in air (by weight).
  • D
    Liquid helium is used in cryogenic fluids.

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Which of the following chemical reactions of xenon is $NOT$ correct?

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Which one of the following is a correct pair with respect to the molecular formula of a xenon compound and the hybridization state of xenon in it?

Which of the following noble gases is radioactive in nature?

$XeO_4$ molecule is tetrahedral having

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