Chapter 21, Problem 21.30CP

${\text{CH}}_{\text{2}}$ Classify the following ligands as monodentate, bidentate, tridentate, or tetradentate. Which can form chelate rings?
(a)
${\text{H}}_{\text{2}}\text{N}—{\text{CH}}_{\text{2}}—\stackrel{{\text{H}}_{\text{2}}}{\text{C}}—\stackrel{\text{H}}{\text{N}}—\stackrel{{\text{H}}_{\text{2}}}{\text{C}}—\stackrel{{\text{H}}_{\text{2}}}{\text{C}}—{\text{NH}}_{\text{2}}$