Question
Fri September 04, 2009 By:

what willbe formed when Na is oxidized?

Expert Reply
Sat September 05, 2009

Alkali metals tarnish in dry air due to the formation of their oxides which in turn react with moiture to form hydroxides. They burn vigorously in oxygen forming oxides.

On reaction with oxygen, sodium forms sodium peroxide.

2 Na + O2 Na2O2

                                 Sodium peroxide

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