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2. Propose a synthetic pathway for the following product based upon the starting material. a.) - b.) 3. Predict the product(s) for each of the reactions shown. Indicate the pathway (SN1,SN2,E1 or E2) for the formation of each product. a.) b.) McOHNaOMe= c.) heatCH7OH 2. Propose a synthetic pathway for the following product based upon the starting material. a.) b.) HCCH 3. Predict the product(s) for each of the reactions shown. Indicate the pathway (SN1,SN2,E1 or E2) for the formation of each product. a.) b.) c.)