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

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(B) $NeF_{2}$ does not exist because neon is a noble gas with a very high ionization enthalpy and small atomic size,making it chemically inert under normal conditions.

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