Q57.Choose the correct colour of the product for the following reaction. (1) Yellow (2) White (3) Red (4) Blue
What This Question Tests
This question tests the knowledge of a common qualitative test for carbonyl compounds, the 2,4-dinitrophenylhydrazine (2,4-DNP) test, and the color of the precipitate formed.
Concepts Tested
📚 NCERT Sections This Tests
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
8.17 — Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products
Chemistry Class 12 · Chapter 8
8.17 Complete each synthesis by giving missing starting material, reagent or products
8.5 — Draw Structures Of The Following Derivatives.
Chemistry Class 12 · Chapter 8
8.5 Draw structures of the following derivatives. (i) The 2,4-dinitrophenylhydrazone of benzaldehyde (ii) Cyclopropanone oxime (iii) Acetaldehydedimethylacetal (iv) The semicarbazone of cyclobutanone (v) The ethylene ketal of hexan-3-one (vi) The methyl hemiacetal of formaldehyde 255 Aldehydes, Ketones and Carboxylic Acids Reprint 2025-26
📋 Question Details
- Chapter
- Aldehydes Ketones Carboxylic Acids
- Topic
- Distinction tests for aldehydes/ketones
- Year
- 2023
- Shift
- 24 Jan Shift 2
- Q Number
- Q57
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 12: Aldehydes, Ketones and Carboxylic Acids
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