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Chapter 24: Problem 58

Write the structural formula of an aldehyde that is a structural isomer of acetone.

Short Answer

Expert verified
The structural formula of an aldehyde that is a structural isomer of acetone is \( CH_3 - CH_2 - CHO \), which is known as propanal.

Step by step solution

01

Structural formula of acetone

The structural formula of acetone is \(\ CH_3 - CO - CH_3 \) . It has a carbonyl (C=O) functional group in the middle carbon atom of the three-carbon chain with two methyl groups on either side of the carbonyl group.
02

Identifying the structural isomer

In chemistry, structural isomers are molecules with the same molecular formula but they differ in the connectivity of atoms. In this case, the isomer should have the same molecular formula \(C_3H_6O\) but differ in the connectivity of atoms. The aldehyde functional group \(RCHO\) should be present, where \(R\) is a side chain. The molecule is an aldehyde, which means that the carbonyl group will be at the end of the carbon chain. The carbon atom of the carbonyl group will be connected with a hydrogen atom and the oxygen will contain a double bond with the carbon atom.
03

Structural formula of the aldehyde

The isomer of acetone that is an aldehyde is known as propanal. The structural formula of propanal is \( CH_3 - CH_2 - CHO \). This is a three-carbon chain similar to acetone but the functional group is at the end of the carbon chain and is connected to a hydrogen atom.

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Most popular questions from this chapter

What do "saturated" and "unsaturated" mean when applied to hydrocarbons? Give examples of a saturated hydrocarbon and an unsaturated hydrocarbon.

Identify the functional groups in each of the following molecules: (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}\) (b) \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\) (c) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OCH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}\)

State which member of each of the following pairs of compounds is the more reactive and explain why: (a) propane and cyclopropane, (b) ethylene and methane, (c) acetaldehyde and acetone.

Write the structures of three alkenes that yield 2 -methylbutane on hydrogenation.

Describe reactions that are characteristic of alkanes, alkenes, and alkynes.
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