I have attched the lab we completed in class as well as a the post lab form. I n

Question

I have attched the lab we completed in class as well as a the post lab form. I need help with the question 5 and the post lab attchement.

Lab Worksheet Unknown Number Record your careful observations in this table. Use your observations and logical inference to the unknowns AgNO, test BaCl; test Anion silver nitrate nitric acid barium cbloride hydrochloric acid /?.UPI chloride ?? k bromide iodide sulfate carbonate rarly sotd phosphate hvdroxide odl acetate 50 Unknown A Unknown B I believe Unknown A contains the anion ulta because: I believe Unknown B contains the anion Chlor:de because Qualitative Analysis

Explanation / Answer

Answer a.

Out of all the anions present, only SULFATE is unable to give any precipitate with Silver Nitrate solution. In addition to the same, it gives a white solid ppt with Barium Chloride which doesn't mix up with Hydrochloride Solution.

Answer b.

Out of all the anions present, only HYDROXIDE is gives light brown precipitate with Silver Nitrate solution. In addition to the same, it gives no ppt with Barium Chloride. It dissolves in Nitric acid due to occurence of Neutralization reaction.

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