CH-1243
Bond energies
Chemistry · Secondary 4 · Hard · Bond energies
In a combustion reaction, which statement about bond breaking and bond forming is correct?
- More energy is released when new bonds form than is needed to break the reactant bonds.
- More energy is needed to break the reactant bonds than is released when new bonds form.
- Energy changes only when bonds are broken, not when they are formed.
- Bond breaking releases energy and bond forming absorbs energy.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.