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DP IB Chemistry: HL

Topic Questions

Home / IB / Chemistry: HL / DP / Topic Questions / 20. Organic Chemistry (HL only) / 20.1 Types of Organic Reactions / Multiple Choice: Paper 1


20.1 Types of Organic Reactions

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Question 1

Marks: 1

Which factors affect the rate of nucleophilic substitution in halogenoalkanes?

  1. The nature of the attacking nucleophile
  2. The structure of the halogenoalkane
  3. The identity of the halogen

  •  I and II only

  •  I and III only

  • II and III only

  • I, II and III

Choose your answer
  
Key Concepts
Factors Affecting Nucleophilic Substitution

Question 2

Marks: 1

Which halogenoalkane reacts fastest with sodium hydroxide?

  • 1-iodobutane

  • 1-chlorobutane

  • 1-bromobutane

  • 1-fluorobutane

Choose your answer
  
Key Concepts
Factors Affecting Nucleophilic Substitution

Question 3

Marks: 1

Which reagents are needed to convert nitrobenzene to phenylamine in 2 steps?

  Step 1 Step 2
A. tin and concentrated hydrochloric acid sodium hydroxide
B. tin and sodium hydroxide concentrated hydrochloric acid
C. concentrated hydrochloric acid tin and sodium hydroxide
D. sodium hydroxide tin and concentrated hydrochloric acid

    Choose your answer
      
    Key Concepts
    Reduction of nitrobenzene

    Question 4

    Marks: 1

    What is the product of the reaction between propanone and sodium borohydride, NaBH4?

    • propan-1-ol

    • propan-2-ol

    • propanoic acid

    • pentanal

    Choose your answer
      
    Key Concepts
    Reduction Reactions

    Question 5

    Marks: 1

    Which of the following is true about the structure of benzene?

    1. Benzene has a delocalised structure of π bonds around its ring
    2. Each carbon to carbon bond has a bond order of 1.5
    3. Benzene is susceptible to attack by nucleophiles

    • I and II only

    • I and III only

    • II and III only

    • I, II and III

    Choose your answer
      
    Key Concepts
    The Structure of Benzene


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