How are vitamins classified? Name the vitamin responsible for the coagulation of blood.

Explanation

Vitamins are classiffied into two groups depending upon their solubility in water or fat : (i) Water soluble vitamins : These include vitamin B-complex (`B_(1), B_(2), B_(5)` i.e., nicotinic acid, `B_(6), B_(12)`, pantothenic acid, biotin, i.e., vitamin H and folic acid) and vitamin C.
(ii) Fat soluble vitamins : These include vitamins A, D, E and K. They are stored in liver and adipose (fat storing) tissues. Vitamin K is responsible for coagulation of blood.