Final exam format:1. Reaction sequences: 22. Reaction sequences with isotope label: 23. Synthesis: 1 with given chemicals, 1 with no limit4. Single organic transformations: 85. SN1 , SN1, E1, E2This week sample testQUESTION 1. Determine A, B, C structure in following reaction sequencesQUESTION 2. Id[r]