Chemistry Practice Problems Chemical Bonds Practice Problems Solution: Estimate the percent ionic character of the CO bon...

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Solution: Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.

Problem

Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.

A graph of percent ionic character, which lies on the y-axis, versus electronegativity difference, which lies on the x-axis. The electronegativity increases from zero at the origin to just passed three, with partitions of one. The percent ionic character starts at zero at the origin, then increases to one-hundred percent, with partitions of twenty-five percent. At an electronegativity difference of three, the percent ionic character equals seventy-five percent.


Solution

The percent ionic character of a bond can be estimated using the following equation:

where ΔEN = electronegativity difference.

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