Laboratory Report Identification of Selected Anions Name: Give detailed descriptions for each test tube by looking at the pictures in the procedure. If a precipitate forms, record “ppt formed” and include its color. If no precipitate forms record “no ppt.” When dissolving precipitates, record “ppt dissolved” or “ppt did not dissolve.” A. AgNO3 Test Addition of AgNO3 solution NaCl NaBr NaI Na2SO4 Na3PO4 Na2CO3 Addition of diluted HNO3 NaCl NaBr NaI Na2SO4 Na3PO4 Na2CO3 B. BaCl2 Test Addition of BaCl2 solution NaCl NaBr NaI Na2SO4 Na3PO4 Na2CO3 Addition of diluted HCl NaCl NaBr NaI Na2SO4 Na3PO4 Na2CO3 C. Organic Solvent Test Color of decane layer (top layer) NaCl NaBr NaI Na2SO4 Na3PO4 Na2CO3 D. Formula of anion present in the solution tested. Test tube 1 Test tube 2 Test tube 3 Test tube 4 Test tube 5 Test tube 6 Unknown # Give a detailed description of each test tube Addition of AgNO3 solution Addition of diluted HNO3 Addition of BaCl2 solution Addition of diluted HCl Organic Solvent Test Color of decane layer (top layer) What is the anion in your unknown 1? Unknown # Give a detailed description of each test tube Addition of AgNO3 solution Addition of diluted HNO3 Addition of BaCl2 solution Addition of diluted HCl Organic Solvent Test Color of decane layer What is the anion in your unknown 2? QUESTIONS AND PROBLEMS The following three solutions were analyzed according to the scheme used in this experiment. Which one, if any, of the ions tested, is present in each solution? If the data indicate that none of the six is present, write the word “None” as your answer. Solution 1: a) Silver Nitrate Test. Yellow precipitate formed, which dissolved in dilute nitric acid. b) Barium Chloride Test. White precipitate formed, which dissolved in dilute hydrochloric acid. c) Organic Solvent Test. The decane layer remained almost colorless after treatment with chr. Anion present Solution 2: a) Silver Nitrate Tes
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Answers on questions: Chemistry
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Ответ:
Reaction a: chemical, reaction b: nuclear
Explanation: