Navigate

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).

AIPMT2012
admin:

Related Questions

  1. Glycerolis not used in
  2. Treatment of a mixture of CH₃Cl and C₂H₅Cl with sodium in dry ether can generat
  3. Heat of combustion ΔH for C(s) , H₂(g)and CH₄(g) are -94, -68 and -213 kcal/mol.
  4. Which one of the most reactive towards nucleophilic addition reaction
  5. In the manufacture of ethanol from starch by fermentation,