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Class 11 NEET Chemistry Chemical Thermodynamics

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Question : 1

Total: 96

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 ]

+133.0
+220.5
-128.5
-133.0

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