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NEET Chemistry · Hard

Thermodynamics: Bond enthalpy MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Bond enthalpyHardQuestion 23039

Question

Why are average bond enthalpies used?

  1. A
    Exact bond energies vary with molecular environment
    Correct
  2. B
    Bonds have no energy
  3. C
    All bonds of same type are identical in every compound
  4. D
    Only ionic compounds have bond enthalpy

Correct answer

Exact bond energies vary with molecular environment

Explanation

Different molecular surroundings slightly change bond strength.

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