We’re being asked to identify the bond angle in Prontosil. Since the Lewis structure for the compound is already given, we simply need to do the following steps:
Step 1: Determine the number of electron groups around the indicated atom.
Step 2: Determine the electron geometry and bond angle using this:
Electron Regions Electronic Geometry Bond Angles
2 linear 180˚
3 trigonal planar 120˚
4 tetrahedral 109.5˚
5 trigonal bipyramidal 90˚, 120˚, and 180˚
6 octahedral 90˚ and 180˚
Prontosil, also known as KL730, was the sulfa drug used in 1936 to treat Franklin Roosevelt Jr, the son of the then President of the United States. What is the ideal value for the bond angle labeled "b"?
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