Add equal volumes of 02 g kno2s and 4 m kc2h3o2aq ii

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: plate well. i. Add a small sprinkle of NaBiO3. ii. Stir. If a reaction is observed, then the Mn2+ cation has been confirmed. d. To the remaining solution in the tube, i. Add equal volumes of 0.2 g KNO2(s) and 4 M KC2H3O2(aq) ii. Seal the tube with parafilm and shake vigorously. If a reaction is observed, then the Co2+ cation has been confirmed. If NO reaction was observed, don’t panic! You will be prompted to try another test for Co2+ later. Confirmation Tests for the Fe3+ Ion (and Alternative Test for Co2+) 4. To the tube containing the liquid from Step 2 a. Add 6M NaOH until a ppt is visible. b. Then add 1 drop of 6 M HNO3 until the ppt disappears again. It may be necessary to add more than 1 drop. Your solution is now neutralized. c. Place a small amount of this solution in 2 wells of a spot plate. i. To the first well, add 2 drops of KSCN. If a reaction is observed, then the Fe3+ cation has been confirmed. d. If the confirmation test for Co2+ in Step 3d for did not show a reactio...
View Full Document

This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.

Ask a homework question - tutors are online