MCQ
In which of the following species $p\pi  = d\pi $ bond is present but $p\pi  = p\pi $ bond is absent ?
  • A
    $SiH_4$
  • B
    $CS_2$
  • C
    $SO_2$
  • $SO_2Cl_2$

Answer

Correct option: D.
$SO_2Cl_2$
d
$SO _2 Cl _2$ forms $p \pi- d \pi$ bond, Sulphur has a $d$-orbital and oxygen has a $p$-orbital so it forms a bond with oxygen.

It forms a Sigma bond with chlorine. It has a tetrahedral shape with asymmetric distribution of charge on the Sulphur atom.

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