aldehydes ketones and carboxylic acids neet questions pdf Chapter 12 aldehydes ketones and carboxylic acids

In the world of organic chemistry, few groups of compounds have as much importance and versatility as aldehydes, ketones and carboxylic acids. These compounds play a vital role in chemical reactions and biological processes, and their uses range from food and perfumes to plastics and pharmaceuticals. Today, we will explore some multiple-choice questions related to this topic, so buckle up and let’s dive in!

Aldehydes

Aldehydes are compounds that contain a carbonyl group (-CHO) as their functional group. This group lends them special properties, making them useful in various applications. Here are some multiple-choice questions to test your knowledge of aldehydes:

1. What is the IUPAC name of CH3CHO?
   a. Propanone
   b. Propanal
   c. Butanal
   d. Butanone
2. Which of the following compounds shows tautomerism?
   a. Ethane
   b. Propanal
   c. Propanone
   d. Methanal
3. The following compound is called:
   
   a. 3-phenylpropanal
   b. Benzaldehyde
   c. Phenylpropanone
   d. None of the above

Ketones

Ketones are similar to aldehydes in structure, but they have a carbonyl group (-C=O) in the middle of the carbon chain. This gives them unique properties that make them valuable in chemical synthesis and biological processes. Let’s see how well you know ketones:

1. Which of the following compounds is an example of a ketone?
   a. Methanal
   b. Ethanal
   c. Propanone
   d. Butanal
2. What is the IUPAC name of the following compound?
   
   a. 4-methylpentan-2-one
   b. 2-methylpentan-4-one
   c. 4-methylbutan-2-one
   d. 2-methylbutan-4-one
3. What kind of isomerism is shown by the following compounds?
   
   a. Position isomerism
   b. Chain isomerism
   c. Functional isomerism
   d. Stereoisomerism

Carboxylic Acids

Carboxylic acids are organic acids that contain a carboxyl group (-COOH) as their functional group. They are found in many natural products such as fruits, vinegar, and cheese, and they also have numerous industrial uses. Here are some multiple-choice questions to test your knowledge of carboxylic acids:

1. What is the IUPAC name of the following compound?
   
   a. Propanoic acid
   b. Butanoic acid
   c. Pentanoic acid
   d. Hexanoic acid
2. Which of the following compounds can exhibit hydrogen bonding?
   a. Methane
   b. Propanal
   c. Propanoic acid
   d. Pentane
3. What is the structural formula of acetic acid?
   a. H3CCO2
   b. HCOOH
   c. H2CO3
   d. CH3COOH

That’s all for today, folks! We hope you enjoyed this quiz and learned something new about aldehydes, ketones, and carboxylic acids. Remember to keep exploring and expanding your knowledge of this fascinating field!

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