A 0.50 molal solution of ethylene glycol...

`A 0.50` molal solution of ethylene glycol in water is used as coolant in a car. If the freezing point constant of water is `1.86^(@)` per molal, at which temperature will the mixture freeze?

A

`0.93^(@)C`

B

`-0.93^(@)C`

C

`1.86^(@)C`

D

`-1.86^(@)C`

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The correct Answer is:

B

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