I would like to know-

1. The dipole monment strengths (comparison) between trans-1-chloropropene and cis-1-chloropropene (with reason).

2. the notations S and R in (2S,3S)-3-chloro-2-butanol.

3. The terms - ae and ee conformations

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

 

Using above information

Match the following 

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Plz answer this query.....................................................................................................

how to represent the possible fischer projections for 2-bromohexane