PPT Slide

18

Odd-electron molecules

An important example is NO 2 :

• Electron-deficient molecules may attain an octet in reactions by forming donor bonds.

• Free radicals often  react to pair up their  lone electrons.

• Molecules containing an odd number of valence electrons cannot possibly have all their electrons in pairs.

• Such species (free radicals) contain a lone (unpaired) electron.

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