Question

PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation supposed to be identified, in solid or liquid phase? And in what color? 5. According to the experimental procedure written above which cation in your sample should be identified third if it is indeed in the sample? 6. In what phase is the third cation supposed to be identified, in solid or liquid phase? And in what color? 7. List all the reagents you are supposed to use. (You must list every reagent without missing any.)

Answer 1

7 The first cataion to be identified will be cult by treating with Ka Fe(CN)6 1 & FelCN) tocat Eufe (CN) 6 takt red Maroon ppt The cataion is obtrened is solid precipitate i Maron colher According to the procedure the 2nd certaion to be identified will be g 3 + by adding Pb(NO3), to the pre-prepared solution (and the required reagents added earlier) Pb(NO3 + Colt 40) Pheron +2(NO) Yellow ppt from H2O2 unspecified okid procedure & The state is solid and color is Yellow.