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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).
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- In an isobaric process,when temperature changes from T₁ to T₂, ΔS is equal to
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ratio of Cᵥ and Cᵥ of the gas X is 1.4. The number of atoms of the gas X present
- In an isobaric process,when temperature changes from T₁ to T₂, ΔS is equal to
- Vanadium (III) oxide is a strong
- The coordination number and oxidation state number of Cr in K₃ Cr (C₂O₄)₃
- The metal-carbon bond in metal carbonyl possesses
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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