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for the coagulation of 50 mL of ferric h...

for the coagulation of 50 mL of ferric hydroxide sol 10 mL of 0.5 M KCl is required. What is the coagulation value of KCl ?

A

5

B

10

C

100

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Coagulation value Number of millimoles of
`=("electrolyte required")/("Volume of colloidal solution in litre" )`
`=(10xx0.5)/(50)xx1000=100`
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