In which of following species central atom is not sp3 hybridized ?
Correct answer: D. NO3-
- A. NH+4
- B. NH2-
- C. NH3
- D. NO3-
Explanation
In NO3- (Nitrate ion), the central nitrogen atom is in a hybridization state of sp2. The nitrogen atom forms one sigma bond with one of the oxygen atoms and two pi bonds with the other two oxygen atoms, resulting in a total of three bonds. This corresponds to sp2 hybridization, and the nitrogen atom has one lone pair of electrons. The molecule has a trigonal planar molecular geometry around the central nitrogen atom.
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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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