16. Draw the products for the following multi-step sequences. (Note: for partial credit, it might be good to draw your main intermediates) (3 pts

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16. Draw the products for the following multi-step sequences. (Note: for partial credit, it mightbe good to draw your main intermediates) (3 pts each)1. HNO3, H2SO42. Br2, hv3. NaOCH3a.1. Fe, HCIHaC Br1. NaOCH32. HBr, peroxidesPhb.3. NaOCH2CH317. Draw a 3-D hash-wedge structure for CH, CO, CH, NHCH, CH=CH2: (3 pts)18. The structure of vitamin C is shown below. Which one of the following statementsconcerning this structure is not correct? (3 pts)HOHOa. The molecule contains two pi bonds.b. The molecule has an ester.c. The molecule contains three sp hybridized carbon atoms.d. The molecule has an aldehyde.HOe. The molecule has more than one hydroxyl group.HO