CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Notes Set 03

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Access comprehensive revision notes for Unit 8 Aldehydes, Ketones and Carboxylic Acids using the CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Notes Set 03. Designed to align with the 2026-27 academic syllabus for Class 12 Chemistry, these concept summaries help students streamline their exam preparation and review complex topics efficiently.

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3. Explain the following reactions giving one example of each :

(i) Rosenmund reduction reaction

(ii) Stephen reaction 

(iii) Etard reaction 

(iv) Gatterman-Koch reaction 

(v) Aldol condensation 

(vi) Cross aldol condensation 

(vii) Cannizzaro reaction 

(viii) Decarboxylation reaction 

(ix) Kolbe’s reaction 

(x) Hell-Volhard-Zelinsky reaction

(xi) Clemmensen reduction 

(xii) Wolff-Kishner reduction 

(xii) Haloform reaction.

 

4. How will you convert :

 

(i) Isopropyl chloride to 2-methylpropionaldehyde.

 

(ii) benzene to benzaldehyde

 

(iii) benzoic acid to acetophenone

 

(iv) propene to propanal

 

(v) butanoic acid to 2-hydroxybutanoic acid

 

(vi) benzoic acid to m-nitrobenzyl alcohol

 

(vii) propanol to propene

 

(viii) propanol to butan-2-one.

 

(ix) methyl magnesium bromide to ethanoic acid

 

(x) benzoic acid to benzyl chloride

 

(xi) acetone to chloroform

 

(xii) acetylene to acetic acid

 

(xiii) formaldehyde to propanol

 

(xiv) acetophenone to 2-phenylbutan-2-ol

 

5. Complete the following reactions :

CBSE Class 12 Chemistry notes and questions for Aldehydes Ketones and Carboxylic Acids Part C 1

CBSE Class 12 Chemistry notes and questions for Aldehydes Ketones and Carboxylic Acids Part C 2

CBSE Class 12 Chemistry notes and questions for Aldehydes Ketones and Carboxylic Acids Part C 3

 

6. How will you prepare the following derivatives of acetone?

 

(i) 2, 4-DNP derivative

 

(ii) Schiff’s base

 

(iii) Oxime

 

7. Arrange the following in the increasing order of the property indicated

 

(i) CH3CHO, HCHO, CH3COCH3, C6H5CHO (reactivity towards HCN)

 

(ii) propan-1-ol, propanone, propanal (boiling point)

 

8. Give the reaction mechanism for following reactions :

CBSE Class 12 Chemistry notes and questions for Aldehydes Ketones and Carboxylic Acids Part C 4

 

9. Give one chemical test to distinguish between following pair of compounds:
Write the chemical reaction involved.

 

(i) propan-2-ol and propanone

 

(ii) ethyl acetate and methyl acetate

 

(iii) benzaldehyde and benzoic acid

 

(iv) benzaldehyde and acetaldehyde

 

(v) formic acid and acetic acid

 

(vi) propanal and propan-1-ol

 

(vii) ethanoic acid and ethylethanoate

 

(viii) CH3CHO and CH3COCH3

 

(ix) CH3CHO and HCHO

 

(x) acetophenone and benzophenone

 

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