Bond Energy Video Lessons

Concept:

# Problem: Use the following table to rank these bonds in order of decreasing bond length.Rank from longest to shortest bond. To rank items as equivalent, overlap them.The term bond length refers to the length of the bond between two particular atoms in a molecule. Triple bonds tend to be shorter than double bonds, which tend to be shorter than single bonds. However, this trend mainly holds true for bonds between similar atoms.Bond length and bond strength generally have an inverse relationship: Longer bonds tend to be weaker, and shorter bonds tend to be stronger. Tabulated values are averages based on measurements for that bond found in a number of compounds. As such, they can provide a predictive tool but may not provide an estimate of the exact bond characteristics in a given instance. These values depend not only on the atoms involved in the bonds but on the type of bond (single double triple) Yet in general they remain quite useful predictive tools but the limitations of applying an average value to a given instance must be kept in mind. Some common bond lengths and bond strengths are shown in the table.

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###### Problem Details

Use the following table to rank these bonds in order of decreasing bond length.

Rank from longest to shortest bond. To rank items as equivalent, overlap them.

The term bond length refers to the length of the bond between two particular atoms in a molecule. Triple bonds tend to be shorter than double bonds, which tend to be shorter than single bonds. However, this trend mainly holds true for bonds between similar atoms.

Bond length and bond strength generally have an inverse relationship: Longer bonds tend to be weaker, and shorter bonds tend to be stronger. Tabulated values are averages based on measurements for that bond found in a number of compounds. As such, they can provide a predictive tool but may not provide an estimate of the exact bond characteristics in a given instance. These values depend not only on the atoms involved in the bonds but on the type of bond (single double triple) Yet in general they remain quite useful predictive tools but the limitations of applying an average value to a given instance must be kept in mind.

Some common bond lengths and bond strengths are shown in the table.