Intramolecular Force and Potential Energy

AP Chemistry· difficulty 3/5

Bond order Bond length (pm) 3 2 1

What does this trend show about bond order?

  • A

    As bond order increases, bond length decreases

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  • B

    As bond order increases, bond length increases

  • C

    Bonds of order 1.5 are longest

  • D

    Bond order is unrelated to length

Explanation

Higher bond order pulls atoms closer; triple bonds are shorter than double, which are shorter than single bonds.

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