Q40.Which of the following compounds will show the maximum 'enol' content? (1) CH3COCH2CONH2 (2) CH3COCH2COCH3 (3) CH3COCH2COOC2H5 (4) CH3COCH3
What This Question Tests
This question assesses the understanding of factors that stabilize the enol form in keto-enol tautomerism, particularly the role of intramolecular hydrogen bonding in β-dicarbonyl compounds.
Concepts Tested
📚 NCERT Sections This Tests
8.2 — Name The Following Compounds According To Iupac System Of Nomenclature:
Chemistry Class 12 · Chapter 8
8.2 Name the following compounds according to IUPAC system of nomenclature: (i) CH3CH(CH3)CH2CH2CHO (ii) CH3CH2COCH(C2H5)CH2CH2Cl (iii) CH3CH=CHCHO (iv) CH3COCH2COCH3 (v) CH3CH(CH3)CH2C(CH3)2COCH3 (vi) (CH3)3CCH2COOH (vii) OHCC6H4CHO-p
8.4 — Write The Iupac Names Of The Following Ketones And Aldehydes. Wherever
Chemistry Class 12 · Chapter 8
8.4 Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names. (i) CH3CO(CH2)4CH3 (ii) CH3CH2CHBrCH2CH(CH3)CHO (iii) CH3(CH2)5CHO (iv) Ph-CH=CH-CHO CHO (v) (vi) PhCOPh
8.3 — Draw The Structures Of The Following Compounds.
Chemistry Class 12 · Chapter 8
8.3 Draw the structures of the following compounds. (i) 3-Methylbutanal (ii) p-Nitropropiophenone (iii) p-Methylbenzaldehyde (iv) 4-Methylpent-3-en-2-one (v) 4-Chloropentan-2-one (vi) 3-Bromo-4-phenylpentanoic acid (vii) p,p’-Dihydroxybenzophenone (viii) Hex-2-en-4-ynoic acid
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Keto-enol tautomerism
- Year
- 2019
- Shift
- 08 Apr Shift 2
- Q Number
- Q40
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes, Ketones and Carboxylic Acids
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