Chemical Bonding And Molecular Structure Ques 80

80. In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three?

[2010]

(a) $SF_4$

(b) $I_3^{-}$

(c) $SbCl_5^{2-}$

(d) $PCl_5$

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Answer:

Correct Answer: 80.(c)

Solution:

(c) $SbCl_5^{2-}: \frac{5+5+2}{2}=6$ means $s p^{3} d^{2}$ hybridisation

$I_3^{-}, SF_4$, and $PCl_5 ;$ all have $s p^{3} d$ hybridization.