The bleeding of a wound is stopped by the application of ferric chloride because ........

General Science (Easy) Chemistry

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The bleeding of a wound is stopped by the application of ferric chloride because-

Blood starts flowing in the oppositedirectio

Ferric chloride seals the blood vessels

Blood reacts and a solid is formed which seals the blood vessels

Blood is coagulated and the blood vessels aresealed

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Explanation:

Coagulation is a complex process by which blood forms solid clots. It is an important part of hemostasis (the cessation of blood loss from a damaged vessel) whereby a damaged blood vessel wall is covered by a platelet and fibrin-containing clot to stop bleeding and begin repair of the damaged vessel.

Blood being a colloidal solution its coagulation can be understood by Hardy-Schulz's law which states that higher is the charge on cation, higher will be its efficiency to coagulate the colloidal solution.

In the present case, ferric chloride has Fe3+. Hence, ferric chloride is more effective in enhancing the coagulation rate of blood and stop the bleeding from the cut.