Nitrogen compounds multiple choice questions

Nitrogen Compounds

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1 of 16

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

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2 of 16

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 16

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 16

Phenylamine reacts rapidly with dilute sulfuric acid. The reaction is

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5 of 16

The cyclic compound M is heated with dilute hydrochloric acid.

Diagram showing the structure of cyclic compound M with a hexagonal ring, oxygen, and nitrogen atoms.

What are the products of the reaction?

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6 of 16

What is the organic product when ethanamide, CH₃CONH₂, is boiled with excess aqueous sodium hydroxide?

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7 of 16

Methylamine, CH₃NH₂, has very similar chemical properties to ammonia, NH₃.

Methylamine reacts with hydrogen chloride to form a white crystalline salt, methylammonium chloride.

CH₃NH₂ + HCl ➔ CH₃NH₃⁺Cl^-

A sample of methylammonium chloride is heated with aqueous sodium hydroxide.

What are the products?

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8 of 16

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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9 of 16

Which statement is not correct about amines?

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10 of 16

Which statement about DNA is not true?

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11 of 16

Which statement describes the secondary structure of a protein?

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12 of 16

Which reagents could be used to prepare CH₃CH₂CONHCH₃?

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13 of 16

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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14 of 16

How many isomers are there of C₃H₉N?

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15 of 16

A two-step preparation of propylamine is shown.

bromoethane ➔ X ➔ propylamine

What is X?

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16 of 16

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

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