Question: In both the following exercises, assume that all the methylene groups in the alkane are equally reactive as sites of free-radical chlorination. (a) Photochemical chlorination

In both the following exercises, assume that all the methylene groups in the alkane are equally reactive as sites of free-radical chlorination.
(a) Photochemical chlorination of heptane gave a mixture of monochlorides containing 15% 1-chloroheptane. What other monochlorides are present? Estimate the percentage of each of these additional C7H15Cl isomers in the monochloride fraction.
(b) Photochemical chlorination of dodecane gave a monochloride fraction containing 19% 2-chlorododecane. Estimate the percentage of 1-chlorododecane present in that fraction.

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