a) Define and distinguish the terms stereoselective and stereospecific.12] Consider the following reaction sequence. b) Propose mechanisms for all steps of the sequence, indicating stereochemistry for the intermediates and final product.[5] c) State the optical rotation of the final product. For three of the following reactions, propose a mechanism

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5

Fig: 6

Fig: 7