GROUP IV CATIONS
Ions in the Group: Ca2+, Sr 2+, Ba2+.
Precipitating Agent: (NH4)2 CO3 in ammonical buffer.
Inspection of the periodic chart will show that the ions of this group all fall in Group II A of the
In this experiment we have three main parts, the first part we use indicators pH paper and
pH meter in the measuring the pH of 13 prepared solution; and common materials that includes
vinegar, calamansi , colorless
Classify cations as to Group I - IV
Describe successive group separation
Give an analysis of Group I unknown separation results
Describe chemical reactions for spot tests of anions
Write net ionic eq
1st Quarter SY 2013-2014
Qualitative Analysis Of The Group 1 Anions
Prof. Austria1, Ong, Jeffrey , Lim2
Professor, School of Chemical Engineering, Chemistry and Biotechnology, Mapua Institute of Technology; 2Student (s), Subject/Section,