Draw and name all structural isomers formed by monochlorination of each alkane cyclopentane , CH3CH2CH2CH2CH3 , and (CH3)3CH?
1 Answer
See below.
Cyclopentane
The structure of cyclopentane is
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All the H atoms are equivalent, so you get only one monochlorination product.
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The product is chlorocyclopentane.
Pentane
Pentane has three non-equivalent hydrogen sites.
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The methyl groups at each end of the chain are clearly different from all the rest.
Substitution of one of these
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The three
Substitution of the middle
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Finally, substitution of any of the remaining four
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2-Methylpropane
"We leave it as an exercise for the student" to answer this part.
Hint: there are two types of hydrogen atom.