Medium
Ferric chloride is applied to stop bleeding because:
- A$Cl^{-}$ ions cause coagulation of blood.
- BBlood absorbs $FeCl_3$ and forms a complex.
- C$Fe^{3+}$ ions coagulate blood which is a negatively charged sol.
- D$FeCl_3$ reacts with the constituents of blood which is a positively charged sol.
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