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need a little explanation of options...

need a little explanation of options...

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Grade:12th pass

3 Answers

grenade
2061 Points
6 years ago
it gives syn addition 
and thus the product formed is Glycol
since in the first  option you get the correct anser because syn additionin this case will form erythreo (A)
in the racemic diol you will have the compound threo
approve if useful 
grenade
2061 Points
6 years ago
is the explaination quite helpful to you
ng29
1698 Points
6 years ago
alkene gives syn addition with
  1. alkaline KMnO (bayer reagent)
  2. OsO4
  3. BH3​​      
ALKENE gives anti addition with 
  1. Br2
  2. HCOOOH​
and remember this  C A R  rule  if cis is given  and anti reaction occurs then raceimic mixture will be formed 
 
APPROVE IF USEFUL
 

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