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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: - Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
- ‘Metals are usually not found as nitrates in their ores”. Out of the following two
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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
- Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
- ‘Metals are usually not found as nitrates in their ores”. Out of the following two
- Geometrical isomerism is possible in
- Water is a
- A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times.
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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