Which of the following molecules/ions has all its bonds of unequal length?

S F_{4}

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S i F_{4}

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X e F_{4}

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B F_{4}^{-}

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Solution

The correct option is A $S F_{4}$
$S F_{4}$ molecule undergoes $s p^{3} d$ hybridization. It has one lone pair and 4 bond pairs of electrons which results in see-saw geometry. Out of four bond pairs, two are axial and two are equatorial. Hence, in $S F_{4}$ , all bonds are not of equal length.

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S F_{4}

C F_{4}

X e F_{4}

{B F_{4}}^{-}

Question 10

In which of the following melecule/ion all the bonds are not equal?

(a) $X e F_{4}$

(b) $B F_{4}^{-}$

(d) $S i F_{4}$

Which of the following system has all unequal edge lengths and all bond angles equal?

C O_{3}^{2 -}, N O_{3}^{-}, X e O_{4}, X e F_{4}, S F_{4}, I_{3}^{-}, C O C l_{2}, S O_{3}, I_{2} C l_{6} (solid)

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