a. Oxides and peroxides of alkali metals are diamanetic and colourless.  b.
Channel: Doubtnut
Date: 2020-08-02

a. Oxides and peroxides of alkali metals are diamanetic and colourless.  b. Superoxides of the alkali metals are paramagnetic.  c. Li is the least electronegative alkali metal.  d. Potassiumis the most abundant alkail metal in the erth's crust.  e. `LiCI_(2)` and `MgCI_(2)` are deliquesent.  f. Lithium reacts with nitrogen to form nitride.