InterviewSolution
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InterviewSolution
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Oxidizing power of chlorine in aqueous solution can be determined by the parameters indicated below`:` `(1)/(2)Cl_(2)overset((1)/(2) Delta_("disso")H^(c-))(rarr)Cl(g) overset(Delta_(cg) H^(c-))(rarr) Cl^(-)(g)overset(Delta_(hyd)H^(c-))(rarr) Cl^(-) (aq)` The energy involved in the conversion of `(1)/(2)Cl_(2)(g)` to`Cl^(-) (aq)` ( using the data, `Delta_(disso) H_(Cl_(2))^(c-) = 240 kJmol^(-1),Delta_(eg)H = - 349 kJ mol^(-1) Delta_(hyd)H_(cl) ^(c-) = - 381kJ mol^(-1))` will beA. `- 850kJ mol^(-1)`B. `+120kJ mol^(-1)`C. ` +152kJ mol^(-1)`D. `- 610 kJmol^(-1)` |
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Answer» Correct Answer - D For the process `(1)/(2) Cl_(2)(g) rarr Cl^(-) (aq) `,using the given steps, `DeltaH =(1)/(2)Delta_(diss)H_(Cl_(2))+ Delta_(eg) Cl_ +Delta_(hyd) H_(Cl^(-))` `= ( 240)/(2) - 349-381kJmol^(-1)` `=120 -730=-610 kJ mol^(-1)` |
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