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Miximum depression in freezing point is caused byA. potassium chlorideB. sodium sulphateC. magnesium sulphateD. magnesium carbonate

Answer» Correct Answer - B
Depression in freezing point is a colligative property , so depends upon the number of particles. Among , potassium chloride (KCl), sodium sulphate `(MgSO_(4))` and magnesium carbonate `(MgCO_(3)),Na_(2)SO_(4)` produces maximum number of particles .
`Na_(2)SO_(4) iff underset("3 particles")(ubrace(2Na^(+)+SO_(4)^(2-)))`
Thus , it causes maximum depression in freezing point .


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