The shape of NH₂⁻ is:
Correct answer: B. Angular
- A. Linear
- B. Angular
- C. Pyramidal
- D. Tetrahedral
Explanation
The amide ion (NH₂⁻) has a central nitrogen atom with two bonding pairs and two lone pairs of electrons. According to VSEPR theory, this AX₂E₂ arrangement results in a bent or angular molecular geometry, similar to that of water.
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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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