Chemistry - Surface Chemistry Question with Solution | TestHub

$\mathrm{}\mathrm{F}{\mathrm{e}}^{3+}$ion coagulates blood, which is a negatively charged sol

$\mathrm{}\mathrm{F}{\mathrm{e}}^{3+}$ion coagulates blood, which is a positively charged sol

$\mathrm{}\mathrm{C}{\mathrm{l}}^{-}$coagulates blood, which is a positively charged sol

$\mathrm{C}{\mathrm{l}}^{-}$ion coagulates blood, which is a negatively charged sol