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JEE Main 20241 FebruaryEvening Shift
Exam
JEE Main
Year
2024
Date
1 February
Shift
Evening Shift
Subject
Chemistry
Chapter
Alcohols Phenols and Ethers

JEE Main 2024 · 1 February · Evening Shift · Chemistry · Alcohols Phenols and Ethers

Match List - I with List - II. List-I (Reactants) List-II Products...

Match List - I with List - II.

List-I (Reactants) List-II Products
(A) Phenol, Zn/∆Zn / ∆ (I) Salicylaldehyde
(B) Phenol, CHCl3,NaOH,HCl{CHCl}_{3}, NaOH, HCl (II) Salicylic acid
(C) Phenol, CO2,NaOH,HCl{CO}_{2}, NaOH, HCl (III) Benzene
(D) Phenol, Conc.HNO3\text{Conc.}{HNO}_{3} (IV) Picric acid

Choose the correct answer from the options given below.

Match List - I with List - II. List-I (Reactants) List-II Products (A) Phenol, Zn / ∆ (I) Salicylaldehyde (B) Phenol,

Options

  1. A(A)-(IV), (B)-(II), (C)-(I), (D)-(III)\text{(A)-(IV), (B)-(II), (C)-(I), (D)-(III)}
  2. B(A)-(IV), (B)-(I), (C)-(II), (D)-(III)\text{(A)-(IV), (B)-(I), (C)-(II), (D)-(III)}
  3. C(A)-(III), (B)-(I), (C)-(II), (D)-(IV)\text{(A)-(III), (B)-(I), (C)-(II), (D)-(IV)}
  4. D(A)-(III), (B)-(IV), (C)-(I), (D)-(II)\text{(A)-(III), (B)-(IV), (C)-(I), (D)-(II)}

Correct answer

C. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)\text{(A)-(III), (B)-(I), (C)-(II), (D)-(IV)}

Step-by-step solution

(A) When phenol is distilled with Zn−Zn -dust, it gives benzene. it is an example of reduction. Phenol loses one OO atom.

(B) When phenol is treated with CHCl3{CHCl}_{3} and NaOHNaOH followed by acidification, salicyaldehyde is formed. The reaction is known as Reimer Tiemann reaction.

(C) Reaction of phenol with sodium hydroxide and carbon dioxide is Kolbe's Schmidt reaction that is a electrophilic substitution reaction resulting in the formation of salicylic acid as shown in the reaction.

The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is salicylic acid.

(D) With concentrated nitric acid, phenol is converted to 2,4,6−2, 4, 6 -Trinitrophenol. The product is commonly known as picric acid.

Match List - I with List - II. List-I (Reactants) List-II Products (A) Phenol, Zn / ∆ (I) Salicylaldehyde (B) Phenol,

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