| ⇦ | 
| ⇨ |
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: - Optical activity is measured by
- Which of the following is not a thermodynamic function
- Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
- In TeCl₄, the central atom tellurium involves
- The equivalent weight of phosphoric acid(H₃PO₄) in the reaction
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Optical activity is measured by
- Which of the following is not a thermodynamic function
- Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
- In TeCl₄, the central atom tellurium involves
- The equivalent weight of phosphoric acid(H₃PO₄) in the reaction
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