Answered

Westonci.ca is the Q&A platform that connects you with experts who provide accurate and detailed answers. Get quick and reliable solutions to your questions from a community of seasoned experts on our user-friendly platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Which of the following functional groups represents an aldehyde?

A. [tex]\( R - O \)[/tex]
B. [tex]\( R-\|_C^O-R \)[/tex]
C. [tex]\( R-\frac{O}{C}-O R \)[/tex]
D. [tex]\( R -\underset{ C }{ O }- OH \)[/tex]
E. None of the above

Sagot :

GinnyAnswer
To determine which of the given options represents an aldehyde, we need to understand the structure of an aldehyde functional group. An aldehyde has the general formula R-CHO, where "R" represents an alkyl or aryl group, and "CHO" signifies a carbonyl group (C=O) with a hydrogen atom bonded to the carbonyl carbon.

Now let's analyze each given option:

1. [tex]\( R - O \)[/tex]: This structure represents an ether, where an oxygen atom is bonded to two carbon atoms. It does not match the aldehyde structure.

2. [tex]\( R-||_C^O-R \)[/tex]: There seems to be a notation issue here, but it likely aims to represent a structure with a carbonyl group (C=O) flanked by two "R" groups on either side, such as [tex]\( R-CO-R \)[/tex], which describes a ketone. A ketone has the carbonyl carbon bonded to two alkyl or aryl groups, differing from an aldehyde that has at least one hydrogen attached to the carbonyl.

3. [tex]\( R-\frac{O}{C}-O R \)[/tex]: This structure appears to imply [tex]\( RCOOR \)[/tex], which is characteristic of an ester. An ester includes a carbonyl group bonded to an oxygen atom that is also bonded to another carbon-containing group.

4. [tex]\( R -\underset{ C }{ O }- OH \)[/tex]: This notation represents [tex]\( R-COOH \)[/tex], which is a carboxylic acid. It contains a carbonyl group bonded to a hydroxyl group (OH), distinguishing it from an aldehyde.

Therefore, upon reviewing all the options, none of them match the aldehyde functional group, which is [tex]\( R-CHO \)[/tex].

Consequently, the correct answer is:
None of the above
Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.