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

(N/A) Vitamins are classified into two groups based on their solubility in water or fat:
$i$. Fat-soluble vitamins: These vitamins are soluble in fat and oils but insoluble in water. Examples include Vitamins $A, D, E,$ and $K$.
$ii$. Water-soluble vitamins: These vitamins are soluble in water. Examples include $B$ group vitamins ($B_1, B_2, B_6, B_{12}$,etc.) and Vitamin $C$.
Vitamin $K$ is the vitamin responsible for the coagulation of blood.