Which One of the Following Would Be the Most Difficult

question 56

Multiple Choice

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

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