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Alcohols, Phenols and Ethers

JEE Main 2024 (Online) 5th April Morning ShiftMCQEasy📈 Topic in 22% papers+4−1
Ques. 1JEE Main 2024, 5 April (Morning Shift)

Identify compound (Z) in the following reaction sequence. [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

Answer

(2) [figure]

Solution

[figure]

Dow's process: X = sodium phenoxide; HCl gives phenol (Y)

∵ –OH strongly activates the o- and p-positions ⇒ conc. HNO3 puts -NO2 at C-2, C-4 and C-6

⇒ Z = 2,4,6-trinitrophenol (picric acid)

(A), (C): o-/p-nitrophenol form with dilute HNO3 ⇒ (A), (C) are wrong

(D): only two -NO2 groups ⇒ (D) is wrong

Answer: (2)

Keep practising — Alcohols, Phenols and Ethers

Ques. 2JEE Main 2024, 5 April (Morning Shift)

Consider the given chemical reaction sequence : [figure] Total sum of oxygen atoms in Product A and Product B is .

Ques. 3JEE Main 2024, 5 April (Evening Shift)

Which one of the following reactions is NOT possible?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 4JEE Main 2024, 4 April (Evening Shift)

CH3-CH2-CH2-Br + NaOH C2H5OH Product 'A' [figure] Consider the above reactions, identify product B and product C.

  1. B = C = 1-Propanol
  2. B = 1-Propanol C = 2-Propanol
  3. B = C = 2-Propanol
  4. B = 2-Propanol C = 1-Propanol
Ques. 5JEE Main 2024, 4 April (Evening Shift)

Common name of Benzene - 1,2 - diol is -

  1. catechol
  2. quinol
  3. o-cresol
  4. resorcinol
Ques. 6JEE Main 2024, 1 February (Evening Shift)

Match List - I with List - II. Choose the correct answer from the options given below :

  1. (A)-(IV), (B)-(I), (C)-(II), (D)-(III)
  2. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
  3. (A)-(IV), (B)-(II), (C)-(I), (D)-(III)
  4. (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
Ques. 7JEE Main 2024, 1 February (Evening Shift)

Which among the following has highest boiling point?

  1. CH3CH2CH2CH2-OH
  2. CH3CH2CH2CH3
  3. CH3CH2CH2CHO
  4. H5C2-O-C2H5
Ques. 8JEE Main 2024, 31 January (Morning Shift)

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: In the light of the above statements, choose the correct answer from the options given below:

  1. A is false but R is true.
  2. Both A and R are true but R is NOT the correct explanation of A.
  3. Both A and R are true and R is the correct explanation of A.
  4. A is true but R is false.
Ques. 9JEE Main 2024, 31 January (Morning Shift)

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: In the light of the above statements, choose the correct answer from the options given below:

  1. A is false but R is true.
  2. Both A and R are true but R is NOT the correct explanation of A.
  3. Both A and R are true and R is the correct explanation of A.
  4. A is true but R is false.
Ques. 10JEE Main 2024, 30 January (Evening Shift)

Salicylaldehyde is synthesized from phenol, when reacted with

  1. HCCl3, NaOH
  2. CO2, NaOH
  3. [figure]
  4. CCl4, NaOH
Ques. 11JEE Main 2024, 30 January (Evening Shift)

Products A and B formed in the following set of reactions are [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

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