Most suitable salt which can be used for efficient clotting of blood will be:
a. $M g (H C O_{3})_{2}$
b. $F e S O_{4}$
c. $N a H C O_{3}$
d. $F e C l_{3}$

Answer

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Hint: Blood is one of the most significant factors of life. Almost any animal that holds a circulatory system has blood. Coagulation or blood clotting is an essential process that prevents heavy bleeding when a blood vessel is injured. Platelets (a kind of blood cell) and proteins in plasma (the liquid portion of the blood) work together to halt bleeding by forming a clot over the injury.

Complete step-by-step answer:

M g

does not have the highest positive valency so the coagulation will not take place heavily.

F e S O_{4}

is an important mineral and has been widely used to treat anaemia, not for blood clotting.

N a H C O_{3}

makes blood less acidic and has been used to treat heartburn and acidity. Blood is a continuously circulating fluid that provides the body with

O_{2}

, nutrition, and waste disposal. Blood is liquid, with multiple cells and proteins suspended in it, which makes blood "thicker" than pure water. The average person has approximately five litres (greater than a gallon) of blood. Blood is a negatively charged solution. In accordance with the Hardy-Schulz rule, for the negatively charged sol, the most positive ion is necessary for its effective coagulation. Hence,

F e C l_{3}

salt is the most appropriate salt that can be used for effective clotting of blood.
Therefore the correct answer is option D.

Note: Blood is a fluid connective tissue that contains plasma, different kinds of blood cells, and platelets. The primary function of blood is to supply nutrients and oxygen to different cells and tissues of the body. Blood cells are divided into types such as white blood cells or leukocytes and red blood cells or erythrocytes.