Chemistry · S and p Block Elements
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Which of the following alkali metals can form normal oxide as well as peroxide?
- A
Na
- B
K
- C
Li
- D
Cs
Na forms normal oxide during deficiency of oxygen and peroxide when provided with excess of oxygen.
Na forms normal oxide during deficiency of oxygen and peroxide when provided with excess of oxygen. For options B and D, K and Cs can only form their superoxide on reaction with oxygen. For option C, Li only forms normal oxide either in excess or deficiency of oxygen
Potassium can only form a normal oxide (K2O). It does not form a peroxide.
Lithium can only form a normal oxide (Li2O). It does not form a peroxide.
Cesium can only form a normal oxide (Cs2O). It does not form a peroxide.
Tagged under Chemistry · S and p Block Elements · 2022