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Determine the electron configurations for CN+, CN, and CN-. (a) Which species has the strongest C–N bond? (b) Which species, if any, has unpaired electrons?
The bond order is ½ (6–2) = 2. We placed π2p orbitals below σ2p as both C and N have this arrangement of MOs due to large 2s – 2p interaction.
The bond order is ½ (7–2) = 2.5.
The bond order is ½ (8–2) = 3.
a) The strongest C–N bond is in CN– ion, as it has the highest bond order.
b) CN molecule has one unpaired electron.
Determine the electron configurations for CN+, CN, and CN-. (a) Which species has the strongest C–N bond? (b) Which species, if any, has unpaired electrons?
The bond order is ½ (6–2) = 2. We placed π2p orbitals below σ2p as both C and N have this arrangement of MOs due to large 2s – 2p interaction.
The bond order is ½ (7–2) = 2.5.
The bond order is ½ (8–2) = 3.
a) The strongest C–N bond is in CN– ion, as it has the highest bond order.
b) CN molecule has one unpaired electron.
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Jarrod RobelLv2
29 May 2020
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