Hydrocarbons#0

Chemistry Level 2

1.R-2-chloropentane------(Cl2,hv)------>Optically active dichloro products (P) 2.Cyclobutane---------(Cl2,hv)-------->Optically active dichloro products (Q) 3.R-2-chlorobutane------(Cl2,hv)------>Optically active dichloro products (R) P+Q+R=?


The answer is 10.

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1 solution

Tapas Mazumdar
Feb 5, 2018

For the first reaction, the optically active products are:

  • 1,2-R
  • 2-R,3-R
  • 2-R,3-S
  • 2-R,4-R
  • 2-R,5 (not following minimum sum of locants rule)

For the second reaction, these are:

  • 1-R,2-R
  • 1-S,2-S

For the third reaction:

  • 1,2-R
  • 2-R,3-R
  • 2-R,4 (not following minimum sum of locants rule)

Giving us a total of 10 products .

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