⇦ | ⇨ |
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: - Which of the following is endothermic reaction
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- The compound benzophenone(C₆H₅COC₆H₅) does not reacts with
- Which of the following alcohol is least soluble in water
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is endothermic reaction
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- The compound benzophenone(C₆H₅COC₆H₅) does not reacts with
- Which of the following alcohol is least soluble in water
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
Leave a Reply