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FAQs on Question Bank: Aldehydes & Ketones - Chemistry Class 12 - NEET

1. What are aldehydes and ketones?
Ans. Aldehydes and ketones are organic compounds that contain a carbonyl group, which is a carbon atom double-bonded to an oxygen atom. In aldehydes, the carbonyl group is located at the end of a carbon chain, while in ketones, it is found within the carbon chain.
2. What are some common examples of aldehydes and ketones?
Ans. Some common examples of aldehydes include formaldehyde, acetaldehyde, and benzaldehyde. Ketones, on the other hand, include compounds such as acetone, benzophenone, and acetophenone.
3. What are the differences between aldehydes and ketones?
Ans. The main difference between aldehydes and ketones lies in their structural placement of the carbonyl group. Aldehydes have the carbonyl group at the end of a carbon chain, while ketones have it within the carbon chain. Additionally, aldehydes are more reactive than ketones due to the presence of a hydrogen atom attached to the carbonyl carbon.
4. What are the uses of aldehydes and ketones in daily life?
Ans. Aldehydes and ketones have numerous applications in daily life. Formaldehyde, for example, is used as a disinfectant, preservative, and in the production of resins and plastics. Acetone, a commonly used ketone, is found in nail polish removers, paint thinners, and as a solvent in various industries.
5. How do aldehydes and ketones react with other compounds?
Ans. Aldehydes and ketones can undergo various reactions, including nucleophilic addition, oxidation, and reduction. They can react with nucleophiles such as water, alcohols, and amines to form hydrates, hemiacetals, and imines respectively. They can also be oxidized to form carboxylic acids or reduced to form alcohols.
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