The shape of NH-2 is :
Correct answer: B. Angular
- A. Linear
- B. Angular
- C. Pyramidal
- D. Tetrahedral
Explanation
NH2- ion has a total of 8 valence electrons. 2 pairs are bonding and 2 are non-bonding and stay confined to the Nitrogen atom. The overall shape is bent (aka angular) with 104.5 degree bond angles due to strong lone pair-bonding pair repulsion that pushes the 2 bonding pairs closer together.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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