Use the chemical equation and the bond diagram to answer the question.

Question

2H2 + O2 ---> 2H2O

2H-H + O=O ---> 2H-O-H

The energy of the H-H bonds is 342 kJ / mol. The energy of the O=O bond is 498 kJ / mol. The energy of the O-H bond is 467 kJ / mol.

Which bond is the weakest?

(1 point)
Responses

O=O
O=O

O-H
O-H

H-H
H-H

O-O

Answer 1

The weakest bond in the chemical equation is the O=O bond.