O ::O:O :CC: O :H:::Thomas Edison State UniversityGeneral Chemistry II with Labs (CHE-122)Section no.:Semester and year: Spring 2019Written Assignment 7: Lewis Acids and BasesAnswer all assigned questions and problems, and show all work.1.Oxalic acid (C2H2O4) has the following structure:An oxalic acid solution contains the following species in varying concentrations: C2H2O4,C2HO4–, C2O42–, and H+.a.Draw Lewis structures of C2HO4–and C2O42–.(5 points)C2HO4-

O ::O:O :CC: O :::::C2O42-b.Which of the above four species can act only as acids, which can act only as bases, andwhich can act as both acids and bases?(5 points)(Reference: Chang 15.7)