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Explain reactions of haloarenes with sodium metal. - Chemistry

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प्रश्न

Explain reactions of haloarenes with sodium metal.

टीपा लिहा
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उत्तर

Haloarenes undergo Wurtz-Fittig reaction and Fittig reaction on reaction with sodium metal.

  1. The reaction of aryl halide with alkyl halide and sodium metal in dry ether to give substituted aromatic compounds is known as Wurtz-Fittig reaction.
    e.g.
  2. If only aryl halide takes part in the reaction, the product is biphenyl (or diphenyl) and the reaction is known as Fittig reaction.
    e.g.
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पाठ 10: Halogen Derivatives - Short Answer Questions (Type-Ⅰ)

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 10 Halogen Derivatives
Short Answer Questions (Type-Ⅰ) | Q 2

संबंधित प्रश्‍न

Give reason:

Reactions involving Grignard reagent must be carried out under anhydrous condition.


Which one of the following is an organometallic compound?


Haloarenes are less reactive than alkyl halides towards nucleophilic substitution because ____________ in aryl halide.


The most suitable reagent(s) required to prepare 1-iodobutane from but-1-ene is/are ____________.


Identify the product of the following reaction.

\[\ce{CH3 - Br + C2H5COOAg ->[\Delta] ?}\]


What is the action of following on ethyl bromide?

\[\ce{Mg}\] in dry ether


Write chemical reactions for the following conversions:

Bromobenzene to toluene.


The formula for the Grignard's reagent is ______.


Which of the following compound can be best prepared by the Wurtz reaction?


The molecular formula of Wilkinson's catalyst used in the hydrogenation of alkenes is ______.


Nitration ofwhich among the following compounds yields cyclonite?


Which of the following reaction is used to prepare toluene from bromobenzene?


The major product obtained in the following reaction is

\[\ce{Chlorobenzene + Chlorine ->[Anhydrous][FeCl3] product (Major)}\]


Write the structure of the product formed when chlorobenzene is treated with sodium metal in the presence of dry ether.


Give the following named reaction.

Fittig reaction


From Wurtz reaction one can not produce:


Write the product formed during Chlorobenzene treated with chlorine reactions.


Write the product formed during Chlorobenzene treated with a cone. HNO3 in the presence of a cone. H2SO4 reaction.


Write the product formed by Chlorobenzene treated with a fuming H2SO4 reaction.


Define organometallic compound.


Write the product in the following reaction:

Bromobenzene reacts with methyl bromide and sodium metal in presence of dry ether.


What is the action of following on ethyl bromide?

silver nitrite


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