Statement: To stop bleeding from an injury, ferric chloride can be applied. Which comment about the statement is justified?
A. It is not true, ferric chloride is a poison.
B. It is true, Fe3+ ions coagulate blood which is a negatively charged sol
C. It is not true; ferric chloride is ionic and gets into the blood stream.
D. It is true, coagulation takes place because of formation of negatively charged sol with Cl–.
Answer:B
Statement: To stop bleeding from an injury, ferric chloride can be applied. Which comment about the statement is justified?
A. It is not true, ferric chloride is a poison. B. It is true, Fe3+ ions coagulate blood which is a negatively charged sol C. It is not true; ferric chloride is ionic and gets into the blood stream. D. It is true, coagulation takes place because of formation of negatively charged sol with Cl–.