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Call 866-54-POWER (866-547-6937) 32 Observations for Part A: Sodium lodide in Ac

ID: 588933 • Letter: C

Question

Call 866-54-POWER (866-547-6937) 32 Observations for Part A: Sodium lodide in Acetone Deg of Test substitution Tube Alkyl Halide Heating? (YIN) Observations 2-chlorobutane Min 2-bromobutane e 1-chlorobutane .>es 1-bromobutaneNO t-butyl chloride es crotyl chioride benzyl chloride NO bromobenzene norN 30 se yes 9 bromocyclohexane es primary (1), secondary (2), tertiary (3%, ally benzylic, or aryl o Precipitate A Observations for Part B: Silver Nitrate in Ethanol. Observations Tim Deg of Test Tube Alkyl Halide Heating? (YIN)

Explanation / Answer

These reactions are known as Finkelstein reaction in which, chloride or bromide converted to iodide by treatment with a solution of sodium iodide in acetone. Sodium iodide is soluble in acetone and sodium chloride and sodium bromide are not. So the reaction is driven toward products by mass action due to the precipitation of the insoluble salt.

Classification of halogens;

Ans 1) 2o (secondary)                                                                    

Ans 2) 2o (secondary)

Ans 3) 1o (primary)

Ans 4) 1o (primary)

Ans 5) 3o (tertiary)

Ans 6) 2o (secondary)

Ans 7) Benzylic halides

Ans 8) Aryl halides or haloarenes

Ans 9) 2o (secondary)

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