A) \[NaCl\]
B) \[N{{a}_{3}}P{{O}_{4}}\]
C) \[AlC{{l}_{3}}\]
D) Alcohols
Correct Answer: C
Solution :
Gelatin is a negatively charged In the coagulation of a negative sol, \[A{{l}^{3+}}\] is most effective. Because higher the charge on the coagulating ion, more is the coagulation.
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