Question Detail
Question
The energy required to break one mole of a bond in a gaseous substance is:
Correct Answer
Option A is the correct answer.
Detailed Explanation
Bond enthalpy (or bond dissociation energy) is the average energy required to break one mole of a specific type of bond in a gaseous molecule, producing gaseous fragments.
Hint
This term is specific to breaking covalent bonds in the gas phase.