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. The hydrolysis of 2-bromo-3-methylbutane by SN1mechanism gives mainly
  2. In preparation of alkene from alcohol using Al₂O₃ which is an effective factor
  3. Which of the following is an azo dye
  4. Term ‘Hexadecane’ in petroleum is commonly called as
  5. Cell reaction is spontaneous when