Question

Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due to

• A. coagulation of negatively charged blood particles by $Fe^{3+}$ ions.
• B. coagulation of positively charged blood particles by $Cl^-$ ions.
• C. reaction taking place between ferric ions and the haemoglobin forming a complex.
• D. common element, iron, in both $FeCl_3$ and haemoglobin.

Answer 1

Answer: (A)

coagulation of negatively charged blood particles by $Fe^{3+}$ ions.

Answer 2

The correct option is (A): coagulation of negatively charged blood particles by $Fe^{3+}$ ions.