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Synthesis of Dyes from Benzene and Toluene

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Synthesis of Dyes from Benzene and Toluene

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Questions and Answers

What is the main product formed when 1° aliphatic amines react with nitrous acid?

Aromatic diazonium salts

Stable aliphatic diazonium salts

Highly unstable aliphatic diazonium salts (correct)

N-nitrosoamines

By what mechanism do aliphatic diazonium salts decompose?

Losing nitrogen to form carbocations (correct)

Reduction

Formation of free radicals

Oxidation

Which is a major reason why diazotization of primary aliphatic amines is not synthetically important?

Products are highly toxic

Requires very high temperatures

Produces a complex mixture of products (correct)

Does not produce any useful compounds

What happens to arenediazonium salts if the reaction mixture's temperature exceeds 5 °C?

They decompose at an appreciable rate Signup and view all the answers

What are the products formed when aliphatic diazonium salts decompose?

Alkenes, alcohols, and alkyl halides Signup and view all the answers

Which reaction occurs when secondary amines react with nitrous acid?

Yield of N-nitrosoamines Signup and view all the answers

What occurs when 3° aliphatic amine is mixed with HNO2?

An equilibrium is established Signup and view all the answers

Where does nitrosation occur on tertiary arylamines if the para position is open?

Para position Signup and view all the answers

What are the stable products in aqueous acid from reactions involving N-nitrosoammonium compounds?

Ketones Signup and view all the answers

Primary arylamines react with nitrous acid to form which type of compound?

Arenediazonium salts Signup and view all the answers