Which of the following vitamins is water soluble?

Vitamins are classified as either fat soluble (vitamins A, D, E and K) or water soluble (vitamins B and C). Related Theory Vitamin $B_1 \quad$ - Thiamine Vitamin $B_2 \quad-$ Riboflavin Vitamin $B_3 \quad-$ Niacin Vitamin $B_3 \quad$ - Pantothenic acid Vitamin $B_6 \quad-$ Pyridoxine Vitamin $B_{7} \quad-$ Biotin Vitamin $B_9 \quad$ - Folic Acid vitamin $B_{12} \quad-$ Cyanocobalomin