Which one of the following would be the most difficult covalent bond to break in a chemical reaction?
A)Na⁺ and Cl⁻ in NaCl
B)two oxygen atoms in a molecule of O₂
C)two nitrogen atoms in a molecule of N₂
D)two hydrogen atoms in a molecule of H₂

Question

Quizplus · Accepted Answer

The bond between two nitrogen atoms in N₂ involves a triple covalent bond, which is the strongest type of covalent bond. Therefore, it would require the most energy to break this bond in a chemical reaction.

Which One of the Following Would Be the Most Difficult