1.

Identify all the possible monochloro structural isomers that would be expected to form on free radical chlorination of (CH_(3))_(2)CHCH_(2)CH_(3).

Answer»

Solution :In the GIVEN COMPOUND, there are four sets of different types of hydrogen atoms as shown. The replacement of any ONE of the equivalent hydrogens of each set will GIVE the following four monochloro derivatives. `overset(1)(C)H_(3)-underset(underset(1)(C)H_(3))underset(|)overset(2)(C)H-overset(3)(C)H_(2)-overset(4)(C)H_(3)`
(i) `underset("1-Chloro-2-methylbutane")(Cloverset(1)(C)H_(2)-underset(CH_(3))underset(|)overset(2)(C)H-overset(3)(C)H_(2)overset(4)(C)H_(3))`
(ii) `underset("2-Chloro-2-methylbutane")(overset(1)(C)H_(3)-underset(CH_(3))underset(|)overset(Cl)overset(|)(""^(2)C)-overset(3)(C)H_(2)overset(4)(C)H_(3))`
(iii) `underset("2-Chloro-3-methylbutane")(CH_(3)-underset(CH_(3))underset(|)overset(3)(C)H-underset(Cl)underset(|)overset(2)(C)H-CH_(3))`
(IV). `underset("1-Chloro-3-methylbutane")(CH_(3)-underset(CH_(3))underset(|)overset(3)(C)H-overset(2)(C)H-overset(1)(C)H_(2)-Cl)`


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