Chapter 21, Problem 11RQ

Interpretation Introduction

Interpretation:

The way that a salt of ethylenediaminetetraacetate ion, ${\text{EDTA}}^{4-}$, helps shampoo to work even in hard water is to be explained.

Concept Information:

Complex ions are the ions formed by a metal atom at the center while the other non-metal molecules or ions surround it.

Ligands are the molecules or ions bonded with a coordinate covalent bond to a metal ion.

Chelates are ring structures formed in complexes by polydentate ligands and metal ions.