The type of bonds present in sulphuric anhydride :

Question

$$\begin {array} {1 1} (1)\;3 \sigma \;and \;three\;p \pi-d \pi & \quad (2)\;3 \sigma, one\; p \pi - p \pi\;and\; two \;p \pi-d \pi \\ (3)\;2 \sigma\;and \;three \;p\pi - d\pi & \quad (4)\;2 \sigma \;and\;two\;p\pi-d \pi \end {array}$$