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Question

List few properties of benzene diazonium chloride?


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Solution

Diazonium salt:

  • Diazonium salts are known as the most useful combinations of organic with inorganic components.
  • They can be represented as RN+2X where R represents an Aryl group, while X is denoted as an ion.
  • Mostly, Diazonium salts have Cl,Br,BF4,asX.

Benzene Diazonium chloride:

  • Benzene Diazonium chloride can be prepared by the reaction of an Aromatic primary amine, Aniline, with Nitric acid solution when the temperature is maintained below 5°C and the reaction is called diazotization reaction, which can be shown as;
    NaNO2(Sodiumnitrite)+HCl(Hydrochloricacid)HNO2(Nitrousacid)+NaCl(Sodiumchloride)C6H5NH2(Aniline)+HCl(Hydrochloricacid)C6H5NH3Cl(Anilinehydrochloride)C6H5NH3Cl(Anilinehydrochloride)+HNO2(Nitrousacid)C6H5N2Cl(BenzeneDiazoniumchloride)+2H2O(water)

Properties of Benzene Diazonium chloride:

  • Benzene Diazonium chloride is ionic in nature.
  • Aryl diazonium salts are colorless crystalline solids.
  • Benzene diazonium chloride is soluble in water and reacts with it only when warmed.
  • They are readily soluble in water but sparingly soluble in alcohol and ether.
  • They usually turn brown, when exposed to air.
  • They explode violently when heated or detonated, and hence are extremely unstable compounds.
  • The parent member of the Benzene Diazonium chloride compound is widely used in organic chemistry.

Hence, the above given are the few properties of benzene diazonium chloride.


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