In the reaction 2 PCl 5 ⇌ PCl 4 + + PCl 6 − , the change in hybridisation is from

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In the reaction $2 \mathrm{PCl}_{5} \rightleftharpoons \mathrm{PCl}_{4}^{+}+\mathrm{PCl}_{6}^{-}$, the change in hybridisation is from

ChemistryChemical Bonding and Molecular StructureBITSATBITSAT 2020

Options:

A $s p^{3} d$ to $s p^{3}$ and $s p^{3} d^{2}$
B $s p^{3} d$ to $s p^{2}$ and $s p^{3}$
C $s p^{3} d$ to $s p^{3} d^{2}$ and $s p^{3} d^{3}$
D $s p^{3} d^{2}$ to $s p^{3}$ and $s p^{3} d$

Solution:

1417 Upvotes Verified Answer

The correct answer is: $s p^{3} d$ to $s p^{3}$ and $s p^{3} d^{2}$

$2 \mathrm{PCl}_{5} \rightleftharpoons \mathrm{PCl}_{4}^{+}+\mathrm{PCl}_{6}^{-}$

$\uparrow s p^{3} d \quad \uparrow s p^{3} \quad \uparrow s p^{3} d^{2}$

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