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The normal boiling point of toluene is 1...

The normal boiling point of toluene is `110.7^(@)C` and its boiling point elevation constant `3.32 " K kg mol"^(-1)`. The enthalpy of vaporization of toluene is nearly :

A

`17.0 kjmol^(-1)`

B

`34.0 kjmol^(-1)`

C

`51.0 kjmol^(-1)`

D

`68.0 kjmol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
b
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Knowledge Check

  • If the elevation in boiling point of a solution of non volatile, non-electrolyte and non associating solute in a solvent (k_b=xK kg mol^-1) is y K, then the depression in freezng point of the same concentration would be (K_f of the solvent=zK mol^-1)

    A
    `(2xz)/y`
    B
    `(yz)/x`
    C
    `(xz)/y`
    D
    `(yz)/(2x)`

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