Which of the following are chelating ligands? H2 O,C2 O42− , EDTA4 ,CO32−..(00) Save Image Image gallery: O%c2%a8o%c2%b7u%e2%80%a0u%e2%80%a1 O%c2%b7u%e2%80%9eus O%c2%b9o%c2%a8o%c2%b9o%c2%a8 A Story That Will Make You Question Everything