Acylation and Benzoylation Reactions Quiz

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What is the product formed when primary aliphatic amines react with nitrous acid?

Amides

Alcohols

Aliphatic diazonium salts (correct)

Isocyanides

Which type of amines do not show the carbylamine reaction?

Aromatic amines

Quaternary amines

Secondary and tertiary amines (correct)

Primary amines

What is the purpose of using nitrous acid in the reaction with primary aliphatic amines?

To form alcohols

To form aliphatic diazonium salts (correct)

To form isocyanides

To form amides

Which compound is formed when chloroform and ethanolic potassium hydroxide react with primary amines?

Isocyanides Signup and view all the answers

What is the foul-smelling substance formed in the carbylamine reaction?

Isocyanides Signup and view all the answers

What is used in the estimation of amino acids and proteins?

Nitrogen gas Signup and view all the answers

What property of amines makes them reactive in chemical reactions?

Presence of unshared pair of electrons over the nitrogen atom Signup and view all the answers

How do amines behave when reacting with acids?

React with acids to form salts Signup and view all the answers

Why are amine salts soluble in water but insoluble in organic solvents like ether?

Due to the ionic nature of salts Signup and view all the answers

How do amines behave when treated with a base like NaOH?

React to form salts Signup and view all the answers

What property allows amines to behave as Lewis bases?

Presence of unshared pair of electrons on nitrogen atom Signup and view all the answers

How do amines react with mineral acids?

Form ammonium salts Signup and view all the answers

Which class of compounds is formed when aromatic amines react with nitrous acid?

Diazonium salts Signup and view all the answers

How do secondary and tertiary amines react with nitrous acid compared to aromatic amines?

They form sulphonamides. Signup and view all the answers

What is the product of the reaction between benzenesulphonyl chloride and primary amine?

N-ethylbenzenesulphonyl amide Signup and view all the answers

Why is the sulphonamide soluble in alkali?

Due to the presence of acidic hydrogens. Signup and view all the answers

Why is N, N-diethylbenzenesulphonamide insoluble in alkali?

It contains no acidic hydrogens. Signup and view all the answers

Why do tertiary amines not react with benzenesulphonyl chloride?

They lack a hydrogen atom attached to nitrogen. Signup and view all the answers