Question:

Given below are two statements: 
Statement (I): p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. 
Statement (II): Ethanol will give immediate turbidity with Lucas reagent. 
In the light of the above statements, choose the correct answer from the options given below:

Updated On: Nov 13, 2024
  • Both Statement I and Statement II are false

  • Both Statement I and Statement II are true

  • Statement I is true but Statement II is false

  • Statement I is false but Statement II is true

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The Correct Option is C

Solution and Explanation

Statement I: p-Nitrophenol is more acidic than m- and o-nitrophenol due to resonance stabilization and inductive effects.
Statement II: Ethanol reacts slowly with Lucas reagent, not giving immediate turbidity (which is typical of tertiary alcohols).
Thus, Statement I is correct, and Statement II is incorrect.

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Concepts Used:

Alcohols, Phenols, and Ethers - Chemical Reactions

The reaction of alcohols:

  1. Reaction with Metal
  2. Reaction with Halides
  3. Reaction with HNO3
  4. Reaction with Carboxylic Acid (Esterification)
  5. Dehydration of Alcohol
  6. Haloform Reaction

The reaction of phenols:

  1. Formation of Ester
  2. Hydrogenation
  3. Oxidation of Quinones
  4. Electrophilic Substitution
  5. Halogenation

The reaction of ethers:

  1. Contact with Air
  2. Halogenation of Ether
  3. Electrophilic Substitution Reaction

Read More: Alcohols, Phenols, and Ethers