derrick3011 derrick3011 28-02-2024 Chemistry contestada Which of the following compounds are optically active: 1. 3-Diphenyl propadiene 2. Biphenyl 3. Diphenic acid 4. Dinitro diphenic acid. a. 1 and 3 b. 2 and 4 c. 1 and 2 d. 3 and 4