Amines, Amides, amino acids and proteins multiple choice questions

Amines, Amides, Amino Acids and Proteins

Total marks:0 / 19

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Which of the following could not be formed when methylamine is added to ethanoyl chloride?

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2 of 19

Part of the structure of a protein is shown.

Diagram showing part of the structure of a protein with different amino acids.

How many different amino acids were used to form this part of the structure?

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3 of 19

Glycine and alanine are the two simplest amino acids.

Structures of the amino acids glycine and alanine

Glycine and alanine combine to form two possible dipeptides.

What are the structures of these dipeptides?

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4 of 19

Phenylamine reacts rapidly with dilute sulfuric acid. The reaction is

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The best method for separating a mixture of amino acids in solution, for the purpose of identification, is

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Chromatography may be used to separate mixtures of amino acids. This is best explained by the fact that different amino acids have different interactions with

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7 of 19

The skeletal formula of an organic compound is shown below.

Skeletal formula of an organic compound with oxygen and nitrogen atoms.

This compound is

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8 of 19

Which statement is not correct about amines?

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Which reagents could be used to prepare CH₃CH₂CONHCH₃?

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Aqueous solutions of ammonia, ethylamine and phenylamine are prepared.

Each solution has the same concentration.

Which is the correct order for the pH values of these solutions?

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Methylamine reacts with bromoethane by nucleophilic substitution to produce a mixture of products.

Which is not a possible product of this reaction?

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12 of 19

How many isomers are there of C₃H₉N?

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Which compound can react with ammonia to produce propylamine?

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Which of these solutions has the highest pH when dissolved in water to form solutions of the same concentration?

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The repeat unit of a polymer is shown.

Diagram showing the repeat unit of a polymer with chemical structure.

Which monomers react to make this polymer?

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16 of 19

In many countries plastic waste is collected separately and sorted. Some of this is incinerated to provide heat for power stations.

Why is PVC, polyvinylchloride, removed from any waste that is to be incinerated?

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Which two compounds can react together to form a condensation polymer?

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Which compound can polymerise by reaction with itself?

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19 of 19

Which forms a polymer with HOOC(CH₂)₈COOH?

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