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0.01 molal aqueous solution of K(3)[Fe(C...

0.01 molal aqueous solution of `K_(3)[Fe(CN)_(6)]` freezes at `-0.062^(@)C`. Calculate percentage dissociation `(k_(f)=1.86)`

A

`0^(@)C`

B

`-3.8^(@)C`

C

`3.8^(@)C`

D

`38^(@)C`

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The correct Answer is:
C
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