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Intramolecular Force and Potential Energy

AP Chemistry· difficulty 2/5

For C-C bonds, the order of length (shortest to longest) is

  • A

    C≡C, C=C, C-C

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  • B

    C=C, C≡C, C-C

  • C

    C-C, C=C, C≡C

  • D

    All same

Explanation

Higher bond order → more attraction → shorter bond. Triple < double < single.

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