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Classify each of the following alkyl gro...

Classify each of the following alkyl groups as primary, secondary, or tertiary: butyl, isoprophyl, isobutyl, sec-butyl and tert-butyl.
Strategy: Draw the structure and lock at the `C` atom at the point of attachment.

Text Solution

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Primary alkyl group, `RCH_(2)-`
`underset("Butyl")(CH_(3)CH_(2)CH_(2)CH_(2))-`,`underset("Isobutyl")(CH_(3)overset(CH_(3))overset(|)(CH)CH_(2)-`
Secondary alkyl group,

Tertiary alkyl group,
`CH_(3)-underset(tert-Butyl)underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-`
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