Which one of the following does not exist?
(i) $X e O F_{4}$ (ii) $N e F_{2}$ (iii) $X e F_{2}$ (iv) $X e F$

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Solution

$N e F_{2}$ does not exist as it doesn't have d orbitals to accommodate $F^{-}$ electrons.

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Similar questions

Which one of the following does not exist?

(i) $X e O F_{4}$

(ii) $N e F_{2}$

(iii) $X e F_{2}$

(iv) $X e F_{6}$

H_{5} O_{2}^{+}

H_{3} O^{+}

H_{5} O_{2}^{-}

H_{7} O_{3}^{+}

H_{5} O_{2}^{+}

H_{3} O^{+}

H_{3} O_{2}^{-}

H_{7} O_{3}^{+}

(i) H_{2} O (i i) B F_{3} (i i i) P C l_{5} (i v) C O_{2} (v) N H_{3}

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