The C2H2 molecule is linear which can be deduced from the numbers of σ and π bonds present in the molecule?
Correct answer: C. C
- A. A
- B. B
- C. C
- D. D
Explanation
C2H2(acetylene) has a triple bond between the two carbon atoms, consisting of one sigma (σ) bond and two pi (π) bonds. Futhermore each carbon atom has a sigma bond with one hydrogen atom.Hence it has total of three sigma (σ) bonds and two pi (π) bonds.
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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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