MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistrySolutionsDepression in freezing point
What weight of glycerol should be added to 600 g of water in order to lower its freezing point by 10ºC? (Kf = 1.86ºC m–1). (Molecular mass of glycerol is 92)
A.496 g
B.297 g✓ Correct
C.310 g
D.426 g
Explanation
fT required 0 10 C 1000 f B B f A K W M T W x x x 1000 92 10 600 297 1.86 1000 B f A B f B M T W W K W g x x x x x x