- A$H_2O$
- ✓$O-$ nitro phenol
- C$HF$
- D$CH_3COOH$

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[Given : molar mass of $Br _2=160\,g\,mol ^{-1}$
atomic mass of $C =12\,g\,mol ^{-1}$
atomic mass of $Cl =35.5\,g\,mol ^{-1}$
density of dibromine $=3.2\,g\,cm ^{-3}$
density of $\left.CCl _4=1.6\,g\,cm ^{-3}\right]$
At $ 298 K : \Delta_{ f } H ^{\circ}\left( SnO _2( s )\right)=-581.0 kJ mol ^{-1}, \Delta_{ fH } H ^{\circ}\left( CO _2( g )\right)=-394.0 kJ mol ^{-1}$
$S ^{\circ}\left( SnO _2( s )\right)=56.0 J K ^{-1} mol ^{-1}, S ^{\circ}( Sn ( s ))=52.0 J K ^{-1} mol ^{-1}$
$S ^{\circ}( C ( s ))=6.0 J K ^{-1} mol ^{-1}, S ^{\circ}\left( CO _2( g )\right)=210.0 J K ^{-1} mol ^{-1}$
Assume that the enthalpies and the entropies are temperature independent.