Statement : to stop bleeding from an injury ferric chloride can be applied.

Options

A. It is not true, ferric chloride is a poison
B. It is true, `Fe^(3+)` ions coagulate blood which is a negatively charged sol
C. It is not true, `Cl^(-)` ions form positively charged sol, profuse bleeding takes place
D. It is true, coagulation takes place because of formation of negatively charged sol with `Cl^(-)`

Answer

B

Explanation

Blood is a negatively charged sol.