On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:
Option 1 -
Li2O, Na2O2 and K2O
Option 2 -
Li2O, Na2O2 and KO2
Option 3 -
Li2O, Na2O and K2O2
Option 4 -
Li2O, Na2O2 and K2O2
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1 Answer
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Correct Option - 1
Detailed Solution:4Li + O? → 2Li? O oxide
2Na + O? → Na? O? peroxide
K + O? → KO? superoxide
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Li+ has the highest hydration enthalpy.
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