
Concept explainers
Interpretation:
The geometric structure of
Concept introduction:
Structure of molecule can be drawn using VSEPR theory. The total number of bonding and non-bonding pairs of electrons tells about the geometry of the molecule.
The valence electrons are the electrons present in outermost shell.

Answer to Problem 41A
Geometric structure is trigonal planar.
3 pairs of electrons are surrounding the boron in
The bond angle of
Explanation of Solution
Lewis structure of
Structure shows in
Thus, 3 pairs of electrons are surrounding the nitrogen in ammonia.
A normal trigonal planar geometry has bond angle of
Thus,
Chapter 12 Solutions
World of Chemistry
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