NOBr Nitrosyl Bromide:

First draw the Lewis dot structure:

Electron geometry: trigonal planar. Hybridization: sp²

Then draw the 3D molecular structure using VSEPR rules:


Decision:
The molecular geometry of NOBr is bent (or angular) with asymmetric charge distribution on the central atom.
Therefore this molecule is polar.

Nitrosyl Bromide Wiki page.

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