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Pure water freezes at 5.45^(@)C at a cer...

Pure water freezes at `5.45^(@)C` at a certain place but a 0.374 m solution of tetra chloroethane in benzene freezes at `3.55^(@)C` tge `K_(f)` for benzene is :

A

5.08 K kg `mol^(-1)`

B

508 kg `mol^(-1)`

C

0.508 k kg `mol^(-1)`

D

`50.8^(@)C kg mol^(-1)`

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The correct Answer is:
A
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