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Question

The above reaction is an example of

The correct answer is
Wurtz Fittig reaction

The reaction shown in the image is an example of the Wurtz Fittig reaction. Let's break down the components to understand why this is the correct classification:

Reaction Analysis:

  • The reaction involves an aryl halide (in this case, chlorobenzene) and an alkyl halide (methyl chloride) reacting with sodium metal.
  • The reaction takes place in the presence of dry ether and involves the formation of a new carbon-carbon bond between the aryl group and the alkyl group, resulting in toluene.

Explanation of Options:

  • Sandmeyer's Reaction: This involves the replacement of an amine group on an aromatic ring with a halogen, using copper salts. It does not fit the reaction shown.
  • Wurtz Reaction: This involves the coupling of two alkyl halides using sodium metal to form a higher alkane, without an aryl component.
  • Wurtz Fittig Reaction: This is a variant of the Wurtz reaction where an aryl halide and an alkyl halide are coupled using sodium, forming an alkyl arene, as seen in this reaction.
  • Kolbe Reaction: A carboxylation reaction involving the conversion of phenol to salicylic acid, not applicable here.

Conclusion:

The correct answer is Wurtz Fittig reaction because it involves the coupling of an aryl halide and an alkyl halide using sodium metal to form an alkyl arene, matching the reaction in the given image.

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Important Questions from Haloalkanes And Haloarenes

  1. IUPAC name of neopentyl chloride is

  2. Among the following statements, choose the correct statements.

    A. SN2 reaction proceeds with stereo chemical inversion.

    B. The process of conversion of Racemic mixture into enantiomer is known as Racemisation

    C. A mixture containing 2 enantiomers in equal proportions is known as Racemic mixture.

    D. The stereoisomers related to each other as superimposable mirror image are called enantiomers.

    E. The objects which are non- superimposable on their mirror image are said to be chiral and this properly is known as chirality.

    Choose the correct answer from the options given below:

  3. Which of the following would yield a single monohalogen derivative?

  4. The index of hydrogen deficiency (IHD) of benzene is

  5. The given hydrocarbon is CH3 - CH2 - CH2 - CH2 - CH3

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