The difference in the number of sigma bonds and pi bonds in 1,3,5-tricyanobenzene is:
Correct answer: C. 6
- A. 5
- B. 3
- C. 6
- D. 0
Explanation
A careful count of the bonds in the structure of 1,3,5 tricyanobenzene reveals 15 sigma (σ) bonds and 9 pi (π) bonds. The difference between them is 15 - 9 = 6.
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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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