Q1 / 90 · JEE Main 2023 (24 Jan Shift 2) · Chemistry

Given below are two statements :

Statement I :

Figure under Clemmensen reduction conditions will give Figure

Statement II :

Figure under Wolff-Kishner reduction condition will give Figure

In the light of the above statements, choose the correct answer from the options given below :

  • A
    Statement I is false but Statement II is true
  • B
    Both Statement I and Statement II are false
  • Correct answer
    C
    Statement I is true but Statement II is false
  • D
    Both Statement I and Statement II are true

Solution

The Clemmensen reduction is a reaction that is used to reduce aldehydes or ketones to alkanes using hydrochloric acid and zinc amalgam. In this reaction amide can undergo hydrolysis to convert into carboxylic acid.

Figure

The Wolff–Kishner reduction is a reaction used in organic chemistry to convert carbonyl functionalities into methylene groups in the presence of hydrazine in basic medium. Due to the alkaline medium, alkyl halides undergo beta elimination to convert into alkene as shown below.

Figure

Hence, the correct answer is option: 'C'.

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