Question

Identificatio n and anos For questions 1-4, circle one answer A For question 5. provide an explanation Note: Review the solubility rules before d ressen these questions 1. A sample is containing both K.PO, and unco What reagent would you use to confirm the presence of Na.co, in this same? a. KOH . Na CFeC 2. A sample is containing both Ba NO), and Nacio, What reagent would you use to confirm the presence of Ba NO.). In this sample? a. Cscio. b. CC C. (N.).SO d. Her 3. A sample is containing only Fe(CH,COO). What reagent would not react with this sample? a. No.PO b. LOH c. K CO. d. MNO. 4. To test the presence of iodide in a solution, FeCl, and methylene chloride are added to the sample. Purple lodine appears and is concentrated in methylene chloride. Which type of chemical reaction is this confirmation test based on? c.decomposition d. addation-reduction b. acid-base a. precipitation 5. A bottle is containing either MgCl, or Feci. When metallic zinc is added to this solution, the zinc surface is changing color. Which compound is present in the bottle and why? Explanation:

Answer 1

5 Fell, is present. Because in metal activity series an is more pasion to Rico it can replace the metal froom the metal salt. aut fell - Zu dette As anel forom, the colour of n surface changes.