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Which one of the following does not exis...

Which one of the following does not exist ?
`(i) XeOF_(4) (ii) NeF_(2) (iii) XeF_(2) (iv) XeF_(6)`.

Text Solution

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The sum of first and second ionization enthalpies of Ne are much higher than those of Xe. As a result, Zf Can oxidize Xe to `Xe^(2+)` but cannot oxidize Ne to `Ne^(2+)`. In other words, NeF, does not exist In contrast, all the xenon fluorides `(XeF_(4) and XeF_(6))` and xenon oxyfluoride `(XeOF_(4))` do exist..!
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