MCQ
Among the fluorides below, the one which does not exist is
  • A
    $Xe{F_4}$
  • $He{F_4}$
  • C
    $S{F_4}$
  • D
    $C{F_4}$

Answer

Correct option: B.
$He{F_4}$
b
(b) $He{F_4}$ does not exist.

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