Which of the following metal can form peroxide with Oxygen?
Correct answer: A. Ba
- A. Ba
- B. Li
- C. Ca
- D. All of these
Explanation
Barium is an alkaline earth metal that can form peroxides with Oxygen. Ba+O2500-600°C BaO2 (Barium peroxide). All other options are incorrect because only barium, among the given metals, can form peroxides with Oxygen.
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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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