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The depression in freezing point for 1M ...

The depression in freezing point for 1M urea, 1M glucose and 1 M NaCL are in the ratio,

A

`1:2:3`

B

`3:2:2`

C

`1:1:2`

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta T_(f) = I k_(f)` m solute .
`Delta T_(f1) : Delta T_(f_(2)) : Delta T_(f_(1)) = i_(1) : i_(2) : i_(3)`
`i_(1) = 1`
`i_(2) = 1`
`i_(3) = 2`
So, `Delta T_(f_(1)) : Delta T_(f_(2)) : Delta T_(f_(3)) = 1 : 1 : 2 `
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