KI solution reacts with excess AgNO3 solution. The sol formed is most effectively coagulated by
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a
Al2SO43
b
BaCl2
c
Na3PO4
d
K4FeCN6
answer is D.
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Detailed Solution
The precipitate formed is AgI;AgI is surrounded by excess AgNO3; AgI adsorbs the common ion, Ag+ from AgNO3;A postive sol AgI/Ag+is formed;Coagulation power of anion to coagulate a postive sol isFeCN64->PO43->SO42->X-;Coagulating value ∝1Coagulation power