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Which one of the alkali metals, forms only, the normal oxide, M₂O on heating in air
Options
(a) Rb
(b) K
(c) Li
(d) Na
Correct Answer:
Li
Explanation:
When alkali metals heated in atmosphere of oxygen, the alkali metals ignite and form oxides.On combustion, Li forms Li₂O; sodium gives the peroxide Na₂O₂ and potassium and rubidium gives superoxide(MO₂).
Related Questions: - Cation and anion combines in a crystal to form following types of compound
- The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
- The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is
- Which of the following has zero dipole moment
- By which one of the following compounds both CH₄ and CH₃ – CH₃ can be prepared
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Cation and anion combines in a crystal to form following types of compound
- The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
- The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is
- Which of the following has zero dipole moment
- By which one of the following compounds both CH₄ and CH₃ – CH₃ can be prepared
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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