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The enthalpy of tetramerization on X in ...

The enthalpy of tetramerization on X in gas phase `(4X(g) - X_(4)(g)) is -100` kJ/mol at 300K. The enthalpy of vaporisation for liquid X and `X_(4)` are respectively 30kJ/mol and 72 kJ/mol respectively. DS for tetramerization of X in liquid phase is `-125` J/K mol at 300K. What is the DG at 300K for tetramerization of X in liquid phase?

A

`-52`kJ/mol

B

`-89.5` kJ/mol

C

`-14.5` kJ/mol

D

None of these

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