1.

The bond energies of C−C, C=C, H−H and C−H are 350, 600, 400 and 410 kJ/mol respectively. The heat of hydrogenation of ethylene is:

Answer»

The bond energies of CC, C=C, HH and CH are 350, 600, 400 and 410 kJ/mol respectively. The heat of hydrogenation of ethylene is:



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