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

Options

A. Coagulation of negatively charged blood particles by `Fe^(3+)` ions
B. Coagulation of positively charged blood particles by Clior
C. Reaction taking place between ferric ions and the haemoglobin forming a complex
D. Common element, iron, in both FeCl3 and haemoglobin

Explanation

To understand why bleeding due to a cut can be stopped by applying ferric chloride solution, we can break down the explanation into a series of logical steps:

### Step-by-Step Solution:

1. **Understanding Blood Composition**:
- Blood is a colloidal solution, which means it consists of particles dispersed throughout a liquid.
- Specifically, blood is a negatively charged colloidal sol.

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