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Chapter 22: Problem 18

Draw a structural formula for each of the following compounds. a. 2,2 -dimethylheptane c. 3,3 -dimethylheptane b. 2,3 -dimethylheptane d. 2,4 -dimethylheptane

Short Answer

Expert verified
Draw the structural formulas for each dimethylheptane isomer as follows: a. 2,2-dimethylheptane: \(\displaystyle{CH_{3}-C(CH_{3})_{2}-CH_{2}-CH_{2}-CH_{2}-CH_{2}-CH_{3}}\) b. 3,3-dimethylheptane: \(\displaystyle{CH_{3}-CH_{2}-C(CH_{3})_{2}-CH_{2}-CH_{2}-CH_{2}-CH_{3}}\) c. 2,3-dimethylheptane: \(\displaystyle{CH_{3}-C(CH_{3})-CH(CH_{3})-CH_{2}-CH_{2}-CH_{2}-CH_{3}}\) d. 2,4-dimethylheptane: \(\displaystyle{CH_{3}-C(CH_{3})-CH_{2}-CH(CH_{3})-CH_{2}-CH_{2}-CH_{3}}\)

Step by step solution

01

(Drawing 2,2-dimethylheptane)

(First, draw a straight carbon chain with 7 carbon atoms (heptane backbone). Then, add methyl groups (CH3) to the second carbon from both ends. Lastly, fill in the remaining hydrogen atoms, ensuring each carbon atom has 4 total bonds.)
02

(Drawing 3,3-dimethylheptane)

(First, draw a straight carbon chain with 7 carbon atoms (heptane backbone). Then, add methyl groups (CH3) to the third carbon from both ends. Lastly, fill in the remaining hydrogen atoms, ensuring each carbon atom has 4 total bonds.)
03

(Drawing 2,3-dimethylheptane)

(First, draw a straight carbon chain with 7 carbon atoms (heptane backbone). Then, add one methyl group (CH3) to the second carbon and another to the third carbon counting from any end. Lastly, fill in the remaining hydrogen atoms, ensuring each carbon atom has 4 total bonds.)
04

(Drawing 2,4-dimethylheptane)

(First, draw a straight carbon chain with 7 carbon atoms (heptane backbone). Then, add one methyl group (CH3) to the second carbon and another to the fourth carbon counting from any end. Lastly, fill in the remaining hydrogen atoms, ensuring each carbon atom has 4 total bonds.)

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