Question

Ferric chloride is applied to stop bleeding cut because__________________

• A. $F{e}^{3+}$ ion coagulates blood, which is a negatively charged sol
• B. $F{e}^{3+}$ ions congulates blood, which is a positively charged sol
• C. $C{l}^{-}$ coagulates blood, which is positively charged sol
• D. $C{l}^{-}$ ion coagulates blood, which is a negativley charged sol

Answer 1

The correct option is A $F{e}^{3+}$ ion coagulates blood, which is a negatively charged sol

$FeC{l}_3$ is electrolyte give $F{e}^{3+}$ and blood contain negatively colloid so stop bleeding due to coagulation.
Option A is correct.