Questions on reduction and oxidation reactions in organic chemistry, including qualitative tests such as Tollens’, Fehling’s, and Iodoform tests.
Boiling points: Pentanoic acid (strong H-bonding) > 2-Methylbutan-1-ol (H-bonding) > Pentanal (dipole-dipole).
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 5-carbon chain with a carboxylic acid group (pentanoic acid) and a double bond between C-3 and C-4: pent-3-enoic acid.
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 a carboxylic acid group (butanoic acid) and a double bond between C-2 and C-3: but-2-enoic acid.
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 a carboxylic acid (butanoic acid) and a methyl group on C-3: 3-methylbutanoic acid.
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 with the ketone group has 5 carbons (pentan-2-one), with the carbonyl on C-2: pentan-2-one.
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 with the ketone group has 4 carbons (butan-2-one), with a methyl group on C-3: 3-methylbutan-2-one.
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 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 compound has a 3-carbon chain with an aldehyde group (prop-2-enal) and a phenyl group on C-3: 3-phenylprop-2-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 with the ketone group has 6 carbons (hexan-3-one). Substituents: ethyl on C-4, chloro on C-6. Name: 4-ethyl-6-chlorohexan-3-one.
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 with the ketone group has 5 carbons (pentan-3-one), with the carbonyl on C-3: pentan-3-one.
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
