Which of the following compound is formed when Na burns in excess of air?
Correct answer: B. Na2O2
- A. NaO2
- B. Na2O2
- C. Na2O
- D. Na2O3
Explanation
This is sodium peroxide, formed when sodium burns in excess air. Therefore,option b is the correct answer.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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