JEE Mains 10-Apr-2023 Shift 2 Solved Paper

Section: Chemistry

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Question : 78 of 90

Marks: +1, -0

Ferric chloride is applied to stop bleeding because -

[10-Apr-2023 shift 2]

Blood absorbs FeCl3 and forms a complex.
FeCl3 reacts with the constituents of blood which is a positively charged sol.
Fe3+ ions coagulate blood which is a negatively charged sol.
Cl−ions cause coagulation of blood.

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