Draw the condensed structural formulas for the aldehyde and carboxylic acid produced when each o

Draw the condensed structural formulas for the aldehyde and...

Key Concepts

Oxidation of Primary Alcohols

Primary alcohols, such as 1-butanol, undergo oxidation reactions that initially convert them into aldehydes. Under controlled or mild conditions, the oxidation stops at the aldehyde stage rather than proceeding directly to the carboxylic acid. However, in the presence of excess oxidizing agent or harsher conditions, the aldehyde intermediate can be further oxidized to yield a carboxylic acid.

Aldehyde Functional Group

The aldehyde functional group is characterized by a carbonyl group (a carbon double-bonded to oxygen) with at least one hydrogen atom attached to the carbonyl carbon, represented as R–CHO. This group is a common product when primary alcohols are oxidized selectively, making it an important concept in oxidation reactions and organic synthesis.

Carboxylic Acid Functional Group

Carboxylic acids are organic compounds that contain a carboxyl group, typically written as R–COOH, where the carbonyl group is directly bonded to a hydroxyl group. The conversion of the aldehyde to a carboxylic acid during further oxidation demonstrates the typical reactivity and structural transformation in oxidation reactions involving primary alcohols.

Condensed Structural Formulas

Condensed structural formulas provide a simplified way of writing chemical structures by showing the arrangement of atoms and their connectivity without depicting all the bonds explicitly. This notation is useful in representing organic molecules succinctly, especially when illustrating reaction products such as aldehydes and carboxylic acids derived from oxidized alcohols.

Transcript

00:01 Okay, so for this problem, you're going to start by oxidizing this primary alcohol.

00:11 Here's your alcohol group.

00:13 So this is a primary alcohol.

00:17 And when you oxidize a primary alcohol, you form, let me actually draw this over the arrow, you form an aldehyde.

00:30 So let's go ahead and draw this out.

00:32 So when you have a substance that undergoes oxidation, you're either going to gain an oxygen or lose a hydrogen.

00:42 In this case, you're going to lose a hydrogen from this alcohol, and you're also going to lose a hydrogen from this adjacent carbon atom.

00:55 And when you undergo an oxidation reaction, you actually gain a carbon oxygen bond.

01:03 So where this carbon and oxygen has a single bond, there's actually going to result in a double bond.

01:13 So let's go ahead and draw this out so you can see what i mean.

01:16 So you have ch3, ch2, ch2, ch2, you still have ch2, but now this carbon is double bonded to this oxygen.

01:32 And we also have hanging around h2 and from an alcohol from our oxidizing agent.

01:43 Oh.

01:48 So when you have an aldehyde, however, an aldehyde here can undergo further oxidation.

01:57 And as i mentioned in the beginning, oxidation occurs when either you remove an alcohol or you add, i'm sorry, remove a hydrogen or add in oxygen...

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