Phosgene has the molecular formula COCl2. The carbon atom is bonded to the two oxygen atoms by double bonds, and the carbon atom is also bonded to the two chlorine atoms by single bonds. The Lewis structure of phosgene is:

```

O=C=O

| |

Cl-C-Cl

```

The covalent bonds in phosgene are:

* Two carbon-oxygen double bonds

* Two carbon-chlorine single bonds