Which of these reactions are in IIT syllabus?

1.Micheal Addition

2.Benzoin Condensation

3.Bayer Villager Oxidation

4.Wittig Reaction

5.Tischenko Reaction

6.Beckmann Rearrangement

7.Favoraskii Reaction

8.Reformataskii Reaction

9.Perkin Reaction

10.Claisen Condensation

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

Using above information

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how to represent the possible fischer projections for 2-bromohexane