Most suitable salt which can be used for effi | vedclass

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(D) Blood is a negatively charged colloidal sol. According to the Hardy-Schulze rule,the coagulating power of an electrolyte depends on the valency of

Vedclass · Accepted Answer

$FeCl_3$

Vedclass · Answer

(D) Blood is a negatively charged colloidal sol. According to the Hardy-Schulze rule,the coagulating power of an electrolyte depends on the valency of the active ion (ion with charge opposite to that of the sol). For a negatively charged sol,a positively charged ion is required for coagulation. The coagulating power increases with the increase in the magnitude of the charge on the cation. Comparing the cations: $Na^+$,$Fe^{2+}$,$Mg^{2+}$,and $Fe^{3+}$. The $Fe^{3+}$ ion has the highest charge $(+3)$,therefore it has the maximum coagulating power for the negatively charged blood sol. Thus,$FeCl_3$ is the most suitable salt for the clotting of blood.

Most suitable salt which can be used for efficient clotting of blood will be :-

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