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A solution of urea (mol mass 60g mol^-1)...

A solution of urea (mol mass `60g mol^-1`) boils at `100.18^@C` at the atmospheric pressure. IF `k_f and k_b` for water are 1.86 and 0.512 kg `mol^-1` respectively, the above solution will freeze at

A

`0.654^(@)C`

B

`-0.654^(@)C`

C

`6.54^(@)C`

D

`-6.54^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
B
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