CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set A

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Unit 12 Aldehydes, Ketones and Carboxylic Acids Chemistry Worksheet for Class 12

Class 12 Chemistry students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Chemistry will be very useful for tests and exams and help you to score better marks

Class 12 Chemistry Unit 12 Aldehydes, Ketones and Carboxylic Acids Worksheet Pdf

QUESTION BANK
Aldehydes, Ketones and carboxylic acids
 
1. Draw the structure of the following :
 
i) 4- Methoxybenzaldehyde
 
ii) 5- Bromo -3- Chloro -2- iodobenzoic acid
 
iii) 3,3 – Dimethyl -1- Chlorobutane
 
iv) 2,3- Dihydroxy -4-methylpentanal
 
v) 3- Hydroxy-2-methyl –propanal
 
vi) 2,4 –Dimethyl -3- pentanone
 
vii) 1,2 –Ethaneodioc acid
 
viii) 3- Pentene -2-one
 
ix) 1,3 – Propane –dioic acid
 
2. Give IUPAC names of following:
 
i) CH3CH(CH3)CH2CH2CHO                       ii) CH3CH2COCH(C2H5)CH2CH2Cl
 
iii) OHCC6H4CHO-p                                  iv) (CH3)3CCH2COOH
 
v) CH3CH=CHCHO                                   vi) CH3COCH2COCH3
 
vii) CH3CH(CH3)CH2C(CH3)2COCH3          viii) CH3CO(CH2)4CH3
 
ix) CH3CH2CHBrCH2CH(CH3)CHO             x) CH3(CH2)5CHO
 
xi) Ph-CH=CH-CHO                                 xii) PhCOPh
 
3. Draw structures of the following derivatives.
 
i) The 2,4-dinitrophenylhydrazone of Benzaldehyde
 
ii) Cyclopropanoneoxime
 
iii) Acetaldehydedimethylacetal
 
iv) The semicarbazone of cyclobutanone
 
v) The ethylene ketal of hexan-3-one
 
vi) The methyl hemiacetal of formaldehyde
 
4. Give Reasons :-
 
i) Carboxylic acid is stronger acid than phenol.
 
ii) Ethanol is more soluble in water than ethyl chloride.
 
iii) Aldehydes are more reactive than Ketones towards nucleophilic additions.
 
iv) Carboxylic acids has higher boiling points than alcohols of same no. of carbonatoms.
 
v) Ethanoic acid has molar mass of 120 in vapour state.
 
vi) Carboxylic acids do not give characteristic reactions of carbonyl group.
 
vii) Formal dehyde does not undergo aldol condensation.
 
viii)Fluoro acetic acid is a stronger acid than acetic acid.
 
5. Convert the following:
 
i) Toluene to Benzaldehyde
 
ii) Acetaldehyde to Acetamide
 
iii) Methanol to acetic acid
 
iv) Methanol to Ethanol
 
v) Acetic acid to Propionic acid
 
vi) Ethyl alcohol to acetone
 
vii) Acetone to tert- butyl alcohol
 
viii)Toluene to m- nitrobenzoic acid
 
ix) Phenol to acetophenone
 
x) Acetaldehyde to Acetone
 
6. Give simple chemical tests to distinguish between the following pairs of compounds.
 
i) Propanal and Propanone
 
ii) Acetophenone and Benzophenone
 
iii) Phenol and Benzoic acid
 
iv) Benzoic acid and Ethyl benzoate
 
v) Pentan-2-one and Pentan-3-one
 
vi) Benzaldehyde and Acetophenone
 
vii) Ethanal and Propanal
 
7. Describe the following:
 
i) Acetylation
 
ii) Cannizzaro reaction
 
iii) Cross aldol condensation
 
iv) Decarboxylation
 
8. Write chemical reactions to affect the following transformations:
 
i) Butan-1-ol to butanoic acid
 
ii) Benzyl alcohol to phenylethanoic acid
 
iii) 3-Nitrobromobenzene to 3-nitrobenzoic acid
 
iv) 4-Methylacetophenone to benzene-1,4-dicarboxylic acid
 
v) Cyclohexene to hexane-1,6-dioic acid
 
vi) Butanal to butanoic acid.
 
9. Which acid of each pair shown here would you expect to be stronger?
 
i) CH3CO2H or CH2FCO2H
 
ii) CH2FCO2H or CH2ClCO2H
 
iii) CH2FCH2CH2CO2H or CH3CHFCH2CO2H
 
10. Write the structure of alkenes that on ozonolysis will give ketone only.
 
11. What is the function of BaSO4 in rosenmund reaction?
 
12. Name the isomers with molecular formula C3H6O. Which one will have high boiling point?
 
13. What happens when acetaldehyde is kept with a trace of sulphuric acid? Write the structure of product.
 
14. What is the chemical name of Tollen’s reagent and Fehling’s solution
 
15. An organic compound with the molecular formula C9H10O forms 2,4-DNP derivative,reduces Tollens’ reagent and undergoes Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. Identify the compound.
 
16. A compound ‘A’ with formula C5H10O gives a positive 2, 4 –DNP test but a negative Tollen’s test It can be oxidizing to carboxylic acid ‘B’ of molecular formula C3H6O2, when treated with alk. KMnO4 under vigorous conditions. The salt of ‘B’ gives a hydrocarbon ‘C’ on Kolbes’ electrolytic decarboxylation. Identify A,B,C & write chemical equations.
 
17. A compound A with molecular formula C5H12O on oxidation forms compound B with molecular formula C5H10O. The compound B gives iodoform test but does not reduce ammoniacal silver nitrate. The compound B on reduction with Zn – Hg/ HCl gives compound C with molecular formula C5H12. Identify A,B,C& give the chemical reactions involved.
 
18. Arrange the following compounds in increasing order of their property as indicated:
 
i) Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketone (reactivity towards HCN)
 
ii) CH3CH2CH(Br)COOH, CH3CH(Br)CH2COOH, (CH3)2CHCOOH,CH3CH2CH2COOH (acid strength)
 
iii) Benzoic acid, 4-Nitrobenzoic acid, 3,4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)
 
19. An organic compound A, which has a characteristic odour, on treatment with NaOH forms two compound B and C. Compound B has molecular formula C7H8O which on oxidation gives back A. Compound C is the sodium salt of an acid. C, when heated with soda lime yields an aromatic hydrocarbon D. deduce the structures of A to D.
 
20. Two moles of compound (A) on treatment with a strong base gives two compounds (B) and (C). The compound (B) on dehydrogenation with Cu gives (A) while acidification of (C) gives carboxylic acid (D) having molecular formula CH2O2. Identify (A) to (D).
 

Please click on below link to download CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set A

Unit 01 The Solid State
CBSE Class 12 Chemistry Solid State Question Bank
CBSE Class 12 Chemistry Solid State Question Bank Set A
CBSE Class 12 Chemistry Solid State Question Bank Set B
CBSE Class 12 Chemistry Solid State Worksheet
CBSE Class 12 Chemistry The Solid State Worksheet Set A
CBSE Class 12 Chemistry The Solid State Worksheet Set B
Unit 03 Electrochemistry
CBSE Class 12 Chemistry Electrochemistry Question Bank
CBSE Class 12 Chemistry Electrochemistry Question Bank Set A
CBSE Class 12 Chemistry Electrochemistry Question Bank Set B
CBSE Class 12 Chemistry Electrochemistry Question Bank Set C
CBSE Class 12 Chemistry Electrochemistry Worksheet Set A
CBSE Class 12 Chemistry Electrochemistry Worksheet Set B
CBSE Class 12 Chemistry Electrochemistry Worksheet Set C
Unit 04 Chemical Kinetics
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set A
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set A
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set D
Unit 05 Surface Chemistry
CBSE Class 12 Chemistry Surface Chemistry Question Bank
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set A
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set A
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set C
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set D
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set E
Unit 06 General Principles and Processes of Isolation of Elements
CBSE Class 12 Chemistry General principles and Processes of isolation of elements Question Bank
CBSE Class 12 Chemistry General Principles and Processes of Isolation of Elements Worksheet Set A
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set B
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set C
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set D
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set E
Unit 07 The p-Block Elements
CBSE Class 12 Chemistry The P Block Elements Question Bank
CBSE Class 12 Chemistry The P Block Elements Question Bank Set A
CBSE Class 12 Chemistry The P Block Elements Question Bank Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set A
CBSE Class 12 Chemistry The p Block Elements Worksheet Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set C
CBSE Class 12 Chemistry The P Block Elements Worksheet Set E
CBSE Class 12 Chemistry The P Block Elements Worksheet Set F
Unit 08 The d- and f-Block Elements
CBSE Class 12 Chemistry All Chapters Solved Worksheet
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set A
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set A
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C
CBSE Class 12 Chemistry Organic Compounds Containing Nitrogen Worksheet
CBSE Class 12 Chemistry The D Block Elements Worksheet
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set A
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set B
Unit 09 Coordination Compounds
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set A
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set C
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set D
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set E
Unit 10 Haloalkanes and Haloarenes
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set A
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set B
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set A
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set B
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set C
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set D
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set E
Unit 11 Alcohols, Phenols and Ethers
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Question Bank
CBSE Class 12 Chemistry Alcohols Phenols and Ethers Worksheet Set A
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set B
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set C
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set D
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set E
Unit 12 Aldehydes, Ketones and Carboxylic Acids
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set A
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set A
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set C
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set D
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set E
Unit 13 Amines
CBSE Class 12 Chemistry Amines Worksheet Set A
CBSE Class 12 Chemistry Amines Worksheet Set B
CBSE Class 12 Chemistry Amines Worksheet Set C
CBSE Class 12 Chemistry Amines Worksheet Set D
CBSE Class 12 Chemistry Amines Worksheet Set E
Unit 14 Biomolecules
CBSE Class 12 Chemistry Biomolecules Question Bank Set A
CBSE Class 12 Chemistry Biomolecules Question Bank Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set A
CBSE Class 12 Chemistry Biomolecules Worksheet Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set C
CBSE Class 12 Chemistry Biomolecules Worksheet Set D
Unit 15 Polymers
CBSE Class 12 Chemistry Polymers Worksheet Set A
CBSE Class 12 Chemistry Polymers Worksheet Set B
CBSE Class 12 Chemistry Polymers Worksheet Set C
CBSE Class 12 Chemistry Polymers Worksheet Set D
Unit 16 Chemistry in Everyday Life
CBSE Class 12 Chemistry Chemistry in Everyday Life Question Bank
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set A
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set B
CBSE Class 12 Chemistry In Everyday Life Question Bank
CBSE Class 12 Chemistry In Everyday Life Worksheet Set A
z More Worksheets for Class 12 Chemistry
CBSE Class 12 Chemistry All Chapters Questions Bank
CBSE Class 12 Chemistry Solution Question Bank
CBSE Class 12 Chemistry Solutions Question Bank Set A
CBSE Class 12 Chemistry Solutions Question Bank Set B
CBSE Class 12 Chemistry Solutions Worksheet
CBSE Class 12 Chemistry Solutions Worksheet Set A
CBSE Class 12 Chemistry Solutions Worksheet Set B
CBSE Class 12 Chemistry Worksheet Set A Solved
CBSE Class 12 Chemistry Worksheet Set B Solved
CBSE Class 12 Chemistry Worksheet Set C Solved
CBSE Class 12 Chemistry Worksheet Set D
CBSE Class 12 Chemistry Worksheet Set E Solved
CBSE Class 12 Chemistry Worksheet Set F
CBSE Class 12 Chemistry Worksheet Set G Solved
CBSE Class 12 Chemistry Worksheet Set H Solved
CBSE Class 12 Chemistry Worksheet Set I Solved

CBSE Class 12 Chemistry Unit 12 Aldehydes, Ketones and Carboxylic Acids Worksheet

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