how can the following synthesis be accomplished? a. 1. ch3ch2cl/alcl3; 2. cl2/fecl3; 3. h2, pd/c b. 1. ch3cocl/alcl3; 2. cl2/fecl3; 3. h2, pd/c c. 1. cl2/fecl3; 2. ch3ch2cl/alcl3; 3. h2, pd/c d. 1. ch3cocl/alcl3; 2. h2, pd/c; 3. cl2/fecl3 e. 1. cl2/fecl3; 2. ch3cocl/alcl3; 3. h2, pd/c