Q.
Which of the following will have the lowest vapour pressure
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a
O. l M KCl solution
b
O. l M urea solution
c
0.l M Na2SO4 solution
d
0.l M K4 Fe(CN)6 solution
answer is D.
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Detailed Solution
K4Fe(CN)6 gives maximum ions. Hence it have lowest vapour pressure.
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