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###### Sketch the reaction mechanism and inlcude the final product. MRU: Before meeting with your partner, sketch...

sketch the reaction mechanism and inlcude the final product.

MRU: Before meeting with your partner, sketch the reaction mechanism (including the final product) corresponding to the following description. Be prepared to explain the mechanism to your partner. o o 4-methylpentan-2-one is reacted with potassium cyanide followed by hydrochloric acid. (set up the reaction - next you will get a description of the mechanism to draw). The lone pair of electrons on the cyanide carbon will react with the partial positive carbonyl on. The pi bond between the carbon and the oxygen will break with the bonding pair of ecoming an additional lone pair of electrons on oxygen forming an alkoxide intermediate that is complexed to the potassium ion. In the next step of the mechanism, an aqueous solution of hydrochloric acid is added. A lone pair on the oxygen in the intermediate molecule abstracts a proton from the acid, and this weakens the interaction between the intermediate and the potassium ion. Finally, the negative chloride ion forms a complex with the potassium ion. This yields the product 2-hydroxy-2,4-dimethylpentanenitrile and the byproduct potassium chloride.

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