A sol has positively charged colloidal particles. Which of the following solutions is required in lowest concentration for coagulation?

A sol has positively charged colloidal particles. Which of the followi

1.	A sol has positively charged colloidal particles. Which of the following solutions is required in lowest concentration for coagulation?
A.	NaCl
B.	\[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
C.	\[ZnC{{l}_{2}}\]
D.	\[N{{a}_{2}}S{{O}_{4}}\]
Answer» C. \[ZnC{{l}_{2}}\]

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A sol has positively charged colloidal particles. Which of the following solutions is required in lowest concentration for coagulation?

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