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Problem: Place the following in order of decreasing bond length. H-F     H-I     H-Bra. H-I > H-F > H-Brb. H-I > H-Br > H-Fc. H-F > H-Br > H-Id. H-F > H-I > H-Bre. H-Br > H-F < H-I

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Determine the Lewis structure of each compound and rank the given compounds to decreasing bond length.

The bond length can also be determined by the type of bond between the atoms

single bond (–X–X–) → longest bond length

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Problem Details

Place the following in order of decreasing bond length. 

H-F     H-I     H-Br

a. H-I > H-F > H-Br

b. H-I > H-Br > H-F

c. H-F > H-Br > H-I

d. H-F > H-I > H-Br

e. H-Br > H-F < H-I

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Bond Energy concept. If you need more Bond Energy practice, you can also practice Bond Energy practice problems.

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