Sun March 04, 2012 By:

Give reason why super oxide of alkali metal are colored and paramagnetic?plz answer fast....

Expert Reply
Sun March 04, 2012
This is because the O2 ion of the superoxides has a three electron covalent bond and has one electron unpaired. It is therefore superoxides are paramagnetic and coloured KO2 is light yellow and paramagnetic substance.
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