The type of bonds present in sulphuric anhydride are

1. $3 \sigma$ and three $p \pi-d \pi$
2. $3 \sigma$, one $p \pi-p \pi$ and two $p \pi-d \pi$
3. $2 \sigma$ and three $p \pi-d \pi$
4. $2 \sigma$ and two $p \pi-d \pi$

Solution

Sulphuric anhydride is $\mathrm{SO}_3$ and its structure is as follows :
$\Rightarrow 3 \sigma, 1 p \pi-p \pi, 2 p \pi-d \pi$ bonds are present.

Asked in: AP EAMCET 2009

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