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Chemistry
Lowering of vapour pressure is highest for
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Q. Lowering of vapour pressure is highest for
UPSEE
UPSEE 2015
Solutions
A
$0.1\, M\, BaCl_2$
B
$0.1\,M$ glucose
C
$0.1\,M \,MgSO_4$
D
urea
Solution:
Lowering of vapour pressure is directly proportional to the van't Hoff factor (i). For $BaCl _{2}$, $i=3$ (maximum) thus, $BaCl _{2}$ has highest value for relative lowering of vapour pressure.