A) \[NO_{3}^{-}>SO_{4}^{2-}>PO_{4}^{3-}\]
B) \[SO_{4}^{2-}>NO_{3}^{-}>PO_{4}^{3-}\]
C) \[PO_{4}^{3-}>SO_{4}^{2-}>NO_{3}^{-}\]
D) \[NO_{3}^{-}=SO_{4}^{2-}=PO_{4}^{3-}\]
Correct Answer: C
Solution :
According to Hardy schulze rule the ions having opposite charge to sol particle cause coagulation and greater the valency of oppositely charged ion more is the coagulating power \[(PO_{4}^{3-}>SO_{4}^{2-}>NO_{3}^{-}\]).You need to login to perform this action.
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