Question

discuss the gradation of 1. metallic character and 2. basic nature of hydroxides among the alkaline earth metal.

Answer 1

OXIDES OF ALKALINE EARTH METALS - DEFINITION

All the elements of group 2 burns with oxygen gas to produce metallic oxide. The oxides of alkaline earth metals are less basic. Oxides become more basic on increas in electropositive character.

HYDROXIDES OF ALKALINE EARTH METAL - DEFINITION

Alkaline earth metals have tendency to form hydroxides which decrease as moving down in the group. All the hydroxides are basic in nature which decreases on moving down the group.