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`{:(,"Column I",,"Column 2",,"Column 3",),(,"Enthalpy and",,"Entropy change",,"Entropy change of",),(,"internal energy change",,"of the system",,"the surroundings",),((I),DeltaH=0,(i),(DeltaH)/(T),(P),-(DeltaH)/(T),),((II),DeltaU=0,(ii),0,(Q),0,),((III),DeltaH=+ve,(iii),+ve,(R),+ve,),((IV),DeltaH=-ve,(iv),-ve,(S),-ve,):}` The only incorrect combination for `P_(4) ("red") rarr P_(4) ("black")` which is a reversible phase transition at constant temperature and pressure.A. `(III)-(iii)-(Q)`B. `(IV)-(i)-(R )`C. `(III)-(i)-(R )`D. `(III)-(iv)-(S)` |
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Answer» Correct Answer - A `{:(,DeltaH=-ve,),(P_(4)("red")rarrP_(4)("black"),DeltaS=-ve,),(,DeltaS_("surr")=+ve,):}` For an irreversible adibatic compression, `DeltaH=+ve` `DeltaS=+ve` `DeltaS_("surr")=0` For interconversion of enantiomers, `DeltaH=0` `DeltaS=+ve` `DeltaS_("surr")=0` |
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