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Q.

If 6.2 g of ethylene glycol (C2H6O2) is mixed with 500 g of water. The freezing point of the solution obtained will be (Kf for water = 1 .86 K kg mol-1)

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a

270.95 K

b

272.63 K

c

169.5 K

d

373.372 K

answer is B.

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Detailed Solution

ΔTf=Kfm273−Tf=1.86×6.2×100062×500Tf=273−0.372=272.63K
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