The electronic structure of carbon monoxide is represented as:
Correct answer: A. Option A
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation
CO forms a coordinate bond. Carbon has 4 valence electrons and oxygen has 6. Carbon and oxygen form a double bond by sharing two bond pairs, in which both contribute to 2 electrons to form a double bond. Now, oxygen's octet is complete but carbon is still left with 2 valence electrons and has a total of 6. So to attain stability oxygen contributes one of its lone pair of electrons to the carbon atom in the formation of a coordinate bond.
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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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