Question

Heat of formation of ethane -20.2 kcal moll andheat of atomisation of C and H, are 179.2 kcalmol and 52.1 kcal moll respectively. If bondenergy of C-H bond is 73.3 kCal mol-1. Thencaculate approx. B.E. of C-C:-(1) 96 kcal mol(2) 230 kCal mol-1(3) 88 kcal mol-1 (4) 540 kCal mol-1​

Answer 1

Answer:

kcalmol mol kcal 540 88 kcal heat of formation