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

Question:

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

  1. $\mathrm{NaHCO}_{3}$

  2. $\mathrm{FeSO}_{4}$

  3. $\mathrm{Mg}\left(\mathrm{HCO}_{3}\right)_{2}$

  4. $\mathrm{FeCl}_{3}$


Correct Option: , 4

Solution:

Blood : negatively charged sol

According to Hardly-schulz rule, for the negatively charged sol, most (+) ve ion is needed for its efficient coagulation.

Ans.: $\mathrm{FeCl}_{3}$

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