Q43.The major product of the following reaction is : JEE Main 2020 (05 Sep Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)
What This Question Tests
This question tests knowledge of named reactions involving phenols. The reaction sequence given, involving phenol, NaOH, CO2, and H3O+, represents Kolbe's reaction, which yields salicylic acid as the major product.
Concepts Tested
📚 NCERT Sections This Tests
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
7.17 — Give Equations Of The Following Reactions:
Chemistry Class 12 · Chapter 7
7.17 Give equations of the following reactions: (i) Oxidation of propan-1-ol with alkaline KMnO4 solution. (ii) Bromine in CS2 with phenol. (iii) Dilute HNO3 with phenol. (iv) Treating phenol wih chloroform in presence of aqueous NaOH.
7.14 — Give Two Reactions That Show The Acidic Nature Of Phenol. Compare Acidity
Chemistry Class 12 · Chapter 7
7.14 Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.
📋 Question Details
- Chapter
- Alcohols Phenols Ethers
- Topic
- Reactions of Phenols
- Year
- 2020
- Shift
- 05 Sep Shift 2
- Q Number
- Q43
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols, Phenols and Ethers
More from this Chapter
Q68.Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives (1) 2,4,6-trinitrobenzene (2) o-nitrophenol (3) p-nitrophenol (4) nitrobenzene
Q41.The number of stereoisomers possible for a compound of the molecular formula CH3 −CH = CH −CH(OH) −Me is : (1) 3 (2) 2 (3) 4 (4) 6
Q56.The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is : (1) benzoic acid (2) salicylaldehyde (3) salicylic acid (4) phthalic acid
Q43.The edge length of a face centered cubic cell of an ionic substance is 508pm. If the radius of the cation is 110pm, the radius of the anion is (1) 288pm (2) 398pm (3) 618pm (4) 144pm