Statement 1: Coagulation power of Na3PO4 is more than NaCl.Statement 2: Greater the valency of the flocculating ion added, greater the power of coagulation.
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a
Both statements 1 and 2 are correct
b
Both statements 1 and 2 are incorrect
c
Statement 1 is correct statement 2 is incorrect
d
Statement 1 is incorrect statement 2 is correct
answer is A.
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Detailed Solution
Na2PO4⟶3Na++PO43− NaCl⟶Na++Cl−PO43− and Cl−have valency 3 and 1 respectively.Order of coagulation power ∝ valency.