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

⇦

⇨

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:

1. 3-Pentanol upon reaction with PBr₃ gives 2 and 3-bromopentane.Such rearrangement
2. Naphthalene is a
3. Bond length between hybridised carbon atom and other carbon atom is minimum in
4. Which one of the following compounds will react with NaHCO₃ solution to give
5. The maximum energy is possessed by an electrons,when it is present

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

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends