Q.39 A metal 'X' reacts with oxygen to form
its oxide which is basic in nature. Metal 'X'
can be
Sodium
Sulphur
Carbon
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Oxides: Group 1 metals react rapidly with oxygen to produce several different ionic oxides, usually in the form of M2O. ... with the oxidation number of the oxygen equal to -1. H2+O2→H2O2. Superoxides: Often Potassium, Rubidium, and Cesium react with excess oxygen to produce the superoxide, MO2.
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