A solution of 122 {g} of benzoic-acid in 1000 {g} of benzene shows a boiling point elevation of 1.4^{\circ}. If the solute is dimerized to an extent of 80 \%, the boiling point of pure benzene will be ______ (Molar enthalpy of vaporization of benzene =7.8 {kcal} . {mol}^{-1} )

AP EAPCET 7 Sep 2021 Shift 1 Paper

Question : 147 of 160

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A solution of 122g of benzoic-acid in 1000g of benzene shows a boiling point elevation of 1.4∘. If the solute is dimerized to an extent of 80%, the boiling point of pure benzene will be ______ (Molar enthalpy of vaporization of benzene =7.8kcal.mol−1 )

420K
370K
540K
460K

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