JEE PYQ: Surface Chemistry Question 7
Question 7 - 2021 (24 Feb Shift 2)
Type: MCQ
Most suitable salt which can be used for efficient clotting of blood will be:
(a) $\text{Mg(HCO}_3)_2$
(b) $\text{FeSO}_4$
(c) $\text{NaHCO}_3$
(d) $\text{FeCl}_3$
Show Answer
Answer: (c)
Solution
Blood is a negative sol. According to Hardy-Schulz’s rule, the cation with high charge has high coagulation power. Hence, $\text{FeCl}_3$ can be used for clotting blood.
BETA
