B. i. Draw the possible conformations for trans-1,4- dibromocyclohexane. Show the most stable conformation. Also explain the reason for its stability. ii. Classify the following reagents as Lewis acids and Lewis bases. . HO, BF, AlCl, CHCHANH, iii. Classify the following reagents as nucleophile and electrophiles. BF3, CH,OH, CH,OCHz, FeCl3 iv. Classify the following reagents as oxidizing and reducing agents. 03, NaBH, LIAH4, KMNO4 49