CHAPTER 27- ORGANIC NITROGEN COMPOUNDS 🤎 Flashcards

Question 1

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AS LEVEL RECAP: Name three classes of amines
-Using diagrams and descriptions, differentiate between the three different classes of amines

Question 2

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Describe some differences between ammonia and the ammonia ion (bond angles, shapes, basicity)
*Practice naming organic Nitrogen compounds

Question 3

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Describe and explain the basicity of ammonia and aqueous solutions of amines for example, methylamine

Question 4

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Arrange the following from the strongest to weakest base and explain the reasons for the variation in basicity: ammonia, phenylamine, ethylamine (Use diagrams if necessary)

Question 5

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Describe a reaction by which a primary amine can be produced and draw the mechanism for such a reaction (reactants, conditions, example equation)

Question 6

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Describe a reaction by which a secondary amine can be produced and draw the mechanism for such a reaction (reactants, conditions, example equation)

Question 7

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Describe a reaction by which an amine can be produced from an amide (reactants, conditions, example equation)

Question 8

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Describe a reaction by which an amine can be produced from a nitrile (reactants, conditions, example equations)

Question 9

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Describe a two-step reaction through which phenylamine is produced (reactants, conditions, example equations)

Question 10

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Describe the reaction of phenylamine with aqueous bromine (reactants, conditions, example equation, observation)
-Explain what enables the C—N bond to be formed

Question 11

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Describe the two-step reaction of phenylamine to produce azo dyes (reactants, conditions, example equations)
-Describe the reaction that can be carried out to convert the diazonium salt to phenol (reactants, conditions, example equation)

Question 12

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Give three descriptions of amino acids (structure, acidity/basicity, monomers)
-Draw the general structure of an amino acid

Question 13

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Using necessary keywords, describe the different properties of amino acids (3)

Question 14

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Using necessary diagrams and keywords, explain the acid-base properties of amino acids in detail

Question 15

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Explain how amino acids can react with each other to form certain larger molecules
-Draw and explain a diagram showing the formation of a peptide link between two amino acids THEN draw peptide links between a larger number of amino acids

Question 16

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Give the structural formula of amides
-Describe the acidity/basicity of amides and compare it to that of amines
*Practice naming amides and substituted amides

Question 17

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Describe two reactions by which amides are produced (reactants, conditions, mechanisms)

Question 18

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Describe the reaction in which an amine is formed from an amide (reactants conditions, equations and mechanism)

Question 19

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Describe the hydrolysis reactions of amides using a dilute acid and alkali (reactants, conditions, equations)

Question 20

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Define electrophoresis and state it’s use
-Outline how electrophoresis is carried out and what occurs during electrophoresis

Question 21

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Draw and describe three different amino acids that can exist in a sample during electrophoresis