Science Homework Help

I’m working on a chemistry multi-part question and need an explanation to help me learn.

The molecular orbital of CN is shown below:

The following species can be analyzed using the same diagram: CN, CN-, and CN+.

Which of these three species has the longest bond? [ Select ] [“CN“, “CN^(-)“, “CN^(+)“]

Which of these three species has the shortest bond? [ Select ] [“CN^(+)“, “CN^(-)“, “CN“]