Ferric chloride is applied to stop bleeding cut because

Options

A. `Fe^(3+)` ion coagulates blood, which is a negatively charged sol.
B. `Fe^(3+)` ion coagulates blood, lwhich is positively charged sol.
C. `Cl^(-)` coagulates blood, which is a positively charged sol.
D. `Cl^(-)` ion coagulates blood, which is negatively charged sol.

Answer

A