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DP IB Chemistry: HL

Topic Questions

Home / IB / Chemistry: HL / DP / Topic Questions / 20. Organic Chemistry (HL only) / 20.3 Stereoisomerism / Multiple Choice: Paper 1


20.3 Stereoisomerism

Question 1

Marks: 1

How many five ringed membered isomers are there of dimethyl cyclopentane? 

  • 3

  • 4

  • 5

  • 6

Choose your answer
  

Question 2

Marks: 1

Which structure is the correct cis trans isomer of trans-1,2-dibromocyclobutane? 

  • 071e94cd-60a9-4a2d-ae93-5b18d9c18acb

     

  • IB 20.3 MCQ H Option B

     

  • IB 20.3 MCQ H Option C

     

  • 69b446c6-efd4-42a0-b85c-f2145b750414

     

Choose your answer
  

Question 3

Marks: 1

Which molecule has a chiral centre? 

  • CH3OCH2CH3

  • CH3CH2CHO

  • CH3CH(NH2)CH3

  • CH3CH(OH)CH2CH3

Choose your answer
  
Key Concepts
Optical Isomers

Question 4

Marks: 1

Which of the following statements is correct? 

I. 2-bromo-1-chloro-1-fluoropropene can not be classed as a cis or trans isomer

II. A polarimeter measures the configuration of a molecule as R or S

III. Conformational isomers occur due to the free rotation about a single σ-bond

  • I and II only 

  • I and III only 

  • II and III only 

  • I, II and III

Choose your answer
  

Question 5

Marks: 1

Arthrinin-F is a compound isolated from fungus.

1-1

What is the correct number of chiral carbons in the structure?

  • 2

  • 3

  • 4

  • 5

Choose your answer
  
Key Concepts
Optical Isomers