Question

The heat of combustion of CH4 X kJ/mol, then find out the value of x when bond dissociation of H-0, 0 = 0 and C = O are 414, 460, 499 and 724 kJ/mol respectively
(1) + 634
(2) -634
(3) - 1268
(4) 1268
​

Answer 1

Here only three bonds are dissociated but 4 energy is given by you. so, please check your question