Chemistry-
General
Easy

Question

The alcohol that produces turbidity immediately with Z n C I subscript 2 divided by c o n c. space H C I at room temperature

  1. 1-hydroxy butane
  2. Diazotization, reduction and hydrolysis
  3. Hydrolysis, reduction and diazotization
  4. Reduction, diazotization and hydrolysis

The correct answer is: 1-hydroxy butane


    M i x t u r e space o f space a n space h y d r o u s space Z n C l subscript 2 space end subscript a n d space c o n c. H C l is known as Lucas reagent. Lucas test is used for the distinction between primary, secondary and tertiary alcohols.
    The tertiary alcohol reacts immediately with Lucas reagent producing turbidity. The secondary alcohol gives turbidity within 5-10 min and primary alcohol doesn’t give turbidity at all at room temperature. In the given alternates, 2-hydroxy-2-methyl propane is 3 degree spacealcohol, so it is more reactive.

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