HOMEWORK ON CHAPTER 5 1. Define the following terms: a. Diastereomers b. Enantiomers c. Meso compound d. Optically active compound e. Racemic mixture f. Chiral molecule g. Plane of symmetry 2. The observed rotation for 100 mL of an aqueous solution containing 1g of sucrose, placed in a 2-decimeter sample tube, is +1.33° at 25°C (using sodium lamp). Calculate the specific rotation of sucrose 3. Draw the formula of an unsaturated bromide, C5H9Br, that can show: a. Neither cis-trans isomerism nor optical activity b. Cis-trans isomerism but no optical activity c. No cis-trans isomerism but optical activity d. Cis-trans isomerism and optical activity 4. What can you say about the stereochemistry of the products in the following reactions: Ht H20 CHCH CH=CHt H CH, CH-CHCH b. снснсн - СH OH H;o + OH Ott

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