In which of the following species ppi - dpi b | vedclass

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(D) In $SO_2Cl_2$,the central $S$ atom is $sp^3$ hybridized.It forms two $S-Cl$ sigma bonds and two $S=O$ double bonds.Each $S=O$ bond consists of one

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$SO_2Cl_2$

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(D) In $SO_2Cl_2$,the central $S$ atom is $sp^3$ hybridized.It forms two $S-Cl$ sigma bonds and two $S=O$ double bonds.Each $S=O$ bond consists of one $\sigma$ bond (formed by $p-p$ overlap) and one $p\pi - d\pi$ back-bonding (formed by the overlap of the filled $2p$ orbital of $O$ and the empty $3d$ orbital of $S$).Since there are no $p\pi - p\pi$ bonds (which would require $p-p$ overlap for $\pi$ bonding),the correct answer is $SO_2Cl_2$.

In which of the following species $p\pi - d\pi$ bond is present but $p\pi - p\pi$ bond is absent?

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