JEE Advanced 2023 · Paper 2 · Chemistry Q9

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ChemistryInteger+4Question 43 of 51

Among $\ce{[I3]+}$ , $\ce{[SiO4]^4-}$ , $\ce{SO2Cl2}$ , $\ce{XeF2}$ , $\ce{SF4}$ , $\ce{ClF3}$ , $\ce{Ni(CO)4}$ , $\ce{XeO2F2}$ , $\ce{[PtCl4]^2-}$ , $\ce{XeF4}$ , and $\ce{SOCl2}$ , the total number of species having $sp^3$ hybridised central atom is _____.

Your answer

Answer and worked solution

Official answer: 5

Species	Bond pairs + lone pairs on the central atom	Hybridisation
$\ce{[I3]+}$	2 + 2	$sp^3$ ✓
$\ce{[SiO4]^4-}$	4 + 0	$sp^3$ ✓
$\ce{SO2Cl2}$	4 + 0	$sp^3$ ✓
$\ce{XeF2}$	2 + 3	$sp^3d$
$\ce{SF4}$	4 + 1	$sp^3d$
$\ce{ClF3}$	3 + 2	$sp^3d$
$\ce{Ni(CO)4}$	tetrahedral Ni(0)	$sp^3$ ✓
$\ce{XeO2F2}$	4 + 1	$sp^3d$
$\ce{[PtCl4]^2-}$	square planar	$dsp^2$
$\ce{XeF4}$	4 + 2	$sp^3d^2$
$\ce{SOCl2}$	3 + 1	$sp^3$ ✓

There are 5 species with $sp^3$ central atoms.

Topics:Hybridisation VSEPR theory Valence bond theory

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JEE Advanced 2023 · Paper 2, Chemistry question 9