Print Calculator Periodic Table Question 7 of 15 (1 point) .. Incorrect × Incorr

Question

Print Calculator Periodic Table Question 7 of 15 (1 point) .. Incorrect × Incorrect Incorrect "(Incorrect ×Incorrect incorrect Select the correct reagent to accomplish the first step of this reaction. Then draw a mechanism on the Grignard reagent using curved arrow notation to show how it is converted to the final product. In your drawing of the intermediate, include all lone pairs and nonzero formal charges. For the purposes of this question, you may omit the counterions in your drawing. Li in THF 2Lì in THF Mg in THF Mg in ethanol (EtOH) O Mg in H20 :Br H3 Draw intermediate here, but no arrows H3O Check Answer o Hint

Explanation / Answer

What you need in this mechanism is Displacement of Br- with Mg2+. In the provided reagents Mg present in only two, that is first clue. Mg in ethanol will not work, while Mg in THF or tetra hydro furan is Grignard reagent like RmgX. So in the product you will get Mg+Br- complex with hydrocarbon.

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