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Which one of the alkali metals, forms only, the normal oxide, M₂O on heating

Which One Of The Alkali Metals Forms Only The Normal Chemistry Question

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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Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)

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