Most suitable salt which can be used for efficient clotting of blood will be :
Option: 1
Option: 2
Option: 3
Option: 4
Blood is a colloidal solution of an albuminoid substance. The styptic action of alum and ferric chloride solution is due to coagulation of blood-forming a clot which stops further bleeding.
Blood is a negative sol. According to hardy-Schulz's rule, the cation with high charge has high coagulation power. Hence, FeCl3 can be used for clotting blood.
Therefore, the correct answer is Option (4).
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