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Praxis II General Science

Category - Chemistry

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What is the molecular shape of NH₃, according to VSEPR theory?

Bent
Linear
Tetrahedral
Trigonal pyramidal
Octagonal

Explanation

Answer: D - The ammonia molecule is trigonal pyramidal. It has 3 atoms surrounding the central N atom. However, the lone pair on the nitrogen atom causes the hydrogen atoms to be in a tetrahedral-like formation (but tetrahedral requires 4 bonds on a central atom).

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