Class 11 NEET Chemistry Chemical Thermodynamics

Question : 1 of 96

Marks: +1, -0

The standard heat of formation, in kcal∕mol of Ba2+ is :

[Given : standard heat of formation of SO42− ion (aq)=−216‌kcal∕mol, standard heat of crystallisation of BaSO4( s)=−4.5‌kcal∕mol, standard heat of formation of BaSO4( s)=−349‌kcal∕mol ]