3. For each of the following reactions, draw the arrow-pushing mechanism that leads to the product...

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3. For each of the following reactions, draw the arrow-pushing mechanism that leads to the product shown. Use your knowledge of pKa's to determine if the reaction shown is likely to happen, and briefly explain your rationale. In the cases where the reaction drawn is not likely, draw the mechanism of the correct reaction. OH a) + HO- + НО-Н O- Lit b) OH HO CH2 Lit c) O- Lit Lit d) NH2 Br N. + HBr HO HO e) Br CH;O-Na* + NaBr IZ + 3. For each of the following reactions, draw the arrow-pushing mechanism that leads to the product shown. Use your knowledge of pKa's to determine if the reaction shown is likely to happen, and briefly explain your rationale. In the cases where the reaction drawn is not likely, draw the mechanism of the correct reaction. OH a) + HO- + НО-Н O- Lit b) OH HO CH2 Lit c) O- Lit Lit d) NH2 Br N. + HBr HO HO e) Br CH;O-Na* + NaBr IZ +