L. Propose a synthesis method to show how you will prepare or make an alkene starting from a ketone. 2. Draw the structure of the reactant and write the formula of the reagent that you will use to make the following compound. 3. Draw the product formed when CH3CH2CH2NH2 reacts with benzaldehyde. Draw Benzaldehyde, write the reagent above the arrow and draw the product. 4. Draw the product formed when Acetone (CH3COCH3) reacts with a Wittig reagent Ph3P=CH2. Draw the line angle structure of acetone, write the formula of the reagent above the arrow and draw the line angle structure of the product