a. Propose a mechanism for the following reaction (remember to use curved arrows when show...

a. Propose a mechanism for the following reaction (remember to use curved arrows when showing a mechanism):

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b. Which step is the rate-determining step?

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c. What is the electrophile in the first step?

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d. What is the nucleophile in the first step?

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e. What is the electrophile in the second step?

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f. What is the nucleophile in the second step?