Question

alkali metals are never found free in nature. give reason.

Answer 1

Alkali metals are very active. They can do reactions in any condition with water gases and etc..... So alkalis are never found free in nature..
Hope it will help....

Answer 2

Answer:

a. All alkali metals are most electropositive metals. They have one valence electron (i.e., ns¹) outside the noble gas core.

b. This valence electron is loosely held and can be lost easily to produce corresponding

monovalent M ions. Hence, alkali metals show +1 oxidation state.

c. The monovalent M ions readily combine with other elements to form various compounds.

d. Thus, owing to their highly reactive nature, alkali metals are never found in free state.