which of the following electrolytes will have maximum coagulating value for Ag/Ag+sol ?
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a
Na2S
b
Na3PO4
c
Na2SO4
d
NaCl
answer is B.
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Detailed Solution
According to Hardy-schulze law, greater the charge on anion greater will be its coagulating power.Here, PO43- have highest charge. Hence,PO43- have highest coagulating power.