Specie in which the central atom uses sp2 hybrid orbitals in its bonding is:
Correct answer: C. CH3+
- A. PH3
- B. NH3
- C. CH3+
- D. None of these
Explanation
The central atom in a molecule or ion uses hybrid orbitals to form bonds based on its electron configuration and the geometry of the molecule. CH3+ (Methyl cation): The central atom is carbon (C). Carbon has 4 valence electrons. In CH3+, carbon forms three sigma (σ) bonds with three hydrogen atoms. The electron configuration around carbon in CH3+ is 1s² 2s² 2p². To form three sigma bonds, carbon undergoes sp² hybridization. Therefore, it uses sp² hybrid orbitals.
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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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