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Molecular Formula: C2H5KO

K-O-CH2-CH3

the Oxygen has 3 pairs of lone electrons surrounding it and has a formal charge of -1. Potassium has lost its one valence electron and forms the K+ ion, therefore its octet is satisfied.

The structure is similar to that of ethanol, with the potassium replacing the hydrogen in the OH group, though the bond is ionic rather than covalent.

It does not replace a hydrogen bonded to any of the carbon atoms because oxygen is more electronegative than carbon and so has a greater capacity for carrying a negative charge.

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