Podcast
Questions and Answers
Which reagent can be used to reduce aldehydes and ketones to alcohols?
Which reagent can be used to reduce aldehydes and ketones to alcohols?
- NaBH4 (correct)
- Grignard reagents
- LAIH4
- Concentrated alkali
What reaction do aldehydes without alpha-hydrogens undergo in the presence of concentrated alkali?
What reaction do aldehydes without alpha-hydrogens undergo in the presence of concentrated alkali?
- Aldol condensation
- Cannizzaro reaction (correct)
- Wolff-Kishner reduction
- Grignard reaction
How are carboxylic acids prepared from Grignard reagents?
How are carboxylic acids prepared from Grignard reagents?
- By Clemmensen reduction
- By oxidation with Tollens' reagent
- By treatment with carbon dioxide (correct)
- By hydrolysis of nitriles
Which reagent can be used to distinguish aldehydes from ketones based on oxidation reactions?
Which reagent can be used to distinguish aldehydes from ketones based on oxidation reactions?
What type of reaction leads to the formation of a-hydroxyaldehydes and a-hydroxyketones?
What type of reaction leads to the formation of a-hydroxyaldehydes and a-hydroxyketones?
What is the general name for the reaction that forms a-hydroxyaldehydes and a-hydroxyketones?
What is the general name for the reaction that forms a-hydroxyaldehydes and a-hydroxyketones?
What reaction do aldehydes without alpha-hydrogens undergo in the presence of concentrated alkali?
What reaction do aldehydes without alpha-hydrogens undergo in the presence of concentrated alkali?
How can the carbonyl group of aldehydes and ketones be reduced to a methylene group?
How can the carbonyl group of aldehydes and ketones be reduced to a methylene group?
What are the mild oxidizing reagents used to oxidize aldehydes to carboxylic acids?
What are the mild oxidizing reagents used to oxidize aldehydes to carboxylic acids?
What is the general name for the reagents used to reduce aldehydes and ketones to alcohols?
What is the general name for the reagents used to reduce aldehydes and ketones to alcohols?