13 public questions tagged with this topic.
CH₃CH₂CH₂CHO, a four-carbon aldehyde, is commonly known as butyraldehyde. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Chemistry Textbook for Class XI and XII, Chapter: Some Basic Concepts, Structure of Atom, Periodicity and relevant Chemistry topic, Topic: Mole concept and periodic trends.
PCC (Pyridinium chlorochromate) selectively oxidizes primary alcohols to aldehydes without further oxidation to carboxylic acids.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Reactions due to α-Hydrogen - Aldol, Cannizzaro and Acidity of Carboxylic Acids
Rosenmund reduction (H₂,Pd/BaSO₄) converts acyl chlorides to aldehydes. Propanoyl chloride (CH₃CH₂COCl) yields propanal (CH₃CH₂CHO).
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Reactions due to α-Hydrogen - Aldol, Cannizzaro and Acidity of Carboxylic Acids
The compound has a 4-carbon chain with an aldehyde group (butanal) and a double bond between C-3 and C-4, named but-3-enal.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Chemical Reactions - Reduction, Oxidation and Tests - Tollens, Fehling, Iodoform
The longest chain containing the aldehyde group has 4 carbons, so the base name is butanal. The methyl group is on the second carbon from the aldehyde end. Thus, the name is 3-methylbutanal.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Chemical Reactions - Reduction, Oxidation and Tests - Tollens, Fehling, Iodoform
The compound has a 4-carbon chain with an aldehyde group (butanal) and a methyl group on C-3: 3-methylbutanal.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Chemical Reactions - Reduction, Oxidation and Tests - Tollens, Fehling, Iodoform
The compound has a 4-carbon chain with an aldehyde group, named butanal.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Chemical Reactions - Reduction, Oxidation and Tests - Tollens, Fehling, Iodoform
Pentanal (CH₃CH₂CH₂CH₂CHO) undergoes self-aldol condensation to form 2-propylhept-2-enal (CH₃CH₂CH₂CH₂CH\=C(CH₂CH₂CH₃)CHO), an eight-carbon unsaturated aldehyde.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Physical Properties and Nucleophilic Addition Reactions
Pyridinium chlorochromate (PCC) selectively oxidizes primary alcohols to aldehydes without converting them to carboxylic acids.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Alcohols - from Alkenes Haloalkanes Carbonyls Grignard
2-Methylpropan-1-ol ((CH₃)2CHCH₂OH), a primary alcohol, is oxidized to 2-methylpropanal ((CH₃)2CHCHO) with PCC, stopping at the aldehyde.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Alcohols - from Alkenes Haloalkanes Carbonyls Grignard
The -CHO group is characteristic of aldehydes. CH₃CH₂CHO (propanal) contains this group.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Structural Isomerism - Chain Position Functional Metamerism
CH₃CH₂CHO (propanal) contains the -CHO group, characteristic of aldehydes.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Stereoisomerism - Geometrical and Optical Isomerism
