The nodal plane in the π−bond of ethene is located in:
Correct answer: B. a plane parallel to the molecular plane
- A. the molecular plane
- B. a plane parallel to the molecular plane
- C. a plane perpendicular to the molecular plane which bisects the carbon−carbon σ−bond at right angle
- D. a plane perpendicular to the molecular plane which contains the carbon−carbon σ−bond.
Explanation
Nodal plane is a plane where the probability of finding an electron is almost zero. In an ethene molecule, the π−bond is a discontinuous bond. It is above and below the plane of the molecule. Thus the nodal plane in the π−bond of ethene is the molecular plane itself.
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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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