Write the structural formula of a representative compound for each of these classes of organic c

Write the structural formula of a representative compound...

Key Concepts

Esters

Esters are formed through the reaction between a carboxylic acid and an alcohol, resulting in a functional group characterized by a carbonyl group adjacent to an ether linkage (-COO-). Esters are commonly found in many natural fats and oils, and they often have distinct aromas.

Alcohols

Alcohols are organic compounds characterized by the presence of a hydroxyl (-OH) group bonded to a saturated carbon atom. This functional group is responsible for many of the physical and chemical properties of alcohols, such as their ability to form hydrogen bonds, which affect their solubility and boiling points.

Aldehydes

Aldehydes contain a carbonyl group (C=O) in which the carbonyl carbon is also bonded to a hydrogen atom, typically at the end of a carbon chain. This positioning of the carbonyl group makes aldehydes particularly reactive in nucleophilic addition reactions.

Ketones

Ketones are defined by the presence of a carbonyl group (C=O) that is bonded to two alkyl or aryl groups. The placement of the carbonyl group within the carbon chain (non-terminal) distinguishes ketones from aldehydes and influences their reactivity and physical properties.

Carboxylic Acids

Carboxylic acids feature a carboxyl (-COOH) functional group, which consists of a carbonyl group bonded to a hydroxyl group. This group is acidic in nature as it can donate a proton (H+), and it plays a pivotal role in many chemical reactions, including esterification.

Amines

Amines are organic derivatives of ammonia, where one or more hydrogen atoms are replaced by alkyl or aryl groups. They contain a nitrogen atom with a lone pair of electrons, which gives them basic properties and makes them nucleophilic in many chemical reactions.

Transcript

00:01 Okay, so we want to give the formula that contains the following functional groups.

00:06 First, one's in alcohol, and it's going to be the oh functional group.

00:10 So let's say we had perpinol, as an example.

00:15 Perpane's three carbons and the ol ending, applying we have an alcohol.

00:19 Go away from left to right, we're going to have ch3, followed by ch2, then the oh functional group of the alcohol.

00:34 So we're just dropping the e and putting the ol ending.

00:40 Next one is an outahead.

00:43 And this can be the coh functional group.

00:46 An example could be a 4 carbon out of head.

00:53 It's going to be a butanol.

00:55 So again, it's this group right here.

00:58 I have coh, ch, ch 2, ch2, and ch3.

01:08 And we have 4 carbon, so b -tune, dropping the e, putting an al ending for the out of head.

01:17 X1 is a key tune.

01:20 And this is the co functional group.

01:24 So an example could be 2.

01:26 Pentane, pentane for five carbons.

01:29 And in this case, we'd have to use a number to indicate where the ketones located, because it could also be on carbon 3 as well.

01:37 But this would also be carbon 2, if we counted from right to left.

01:45 We have ch3, co, c2, c2, and ch3, and c83.

01:54 And this is 2 -pentinone.

02:04 Next one is a carbosyl acid.

02:07 This is the co2h functional group, where the carbon attached to the ketone is also attached to an oh -h functional group so if we have the structure we have one two three four five carbons alpentine and it's going to have the ending oic acid for carbosol acid c2 h ch2 and you could always um if you have these repeating c hd groups you just put in parentheses in this case we have one two three you just do one c h2 and then put it it have a 3 as a subscript.

03:06 And again, this is petinoc acid.

03:21 Next one is an ester.

03:24 And this is similar to an aldohid, but the carbon attached to the ketone is attached to oxygen instead of a hydrogen.

03:36 So if we had the structure, here's the ketoon, we've been ethyrd here.

03:42 And it's always going to have this 08 ending for the ester...

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