The correct bond angle for \(\mathrm{sp}^2\) hybridization is:

1. \(90^\circ\) 2. \(120^\circ\)
3. \(180^\circ\) 4. \(109^\circ\)
HINT: Trigonal planar geometry.
Explanation:
For sp2 hybridization, the geometry is generally trigonal planar.
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Thus, the bond angle is 120°