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IB Chemistry SL 3.3.2 Homolytic Fission Question Bank

Practise IB Chemistry SL 3.3.2 Homolytic Fission with focused questions on electron movement, radical steps and reaction products.

Syllabus
First assessment 2025
Course
Chemistry SL
Level
SL

Exam points

  • send one bonding electron to each atom using two single-barbed fish-hook arrows
  • show a radical dot on every product formed by homolytic cleavage of the bond
  • write halogen initiation under UV light or heat with atoms and coefficients balanced

3.3.2—Homolytic fission question 1

[Maximum number: 1]

Alkenes, such as A (shown below), are important intermediates in the petrochemical industry because they undergo addition reactions to produce a wide variety of products, such as the conversion shown below.

Figure for Question 3.3.2—Homolytic fission question 1 — IB Chemistry SL

Another way to make B is the reaction shown below.

Figure for Question 3.3.2—Homolytic fission question 1 — IB Chemistry SL

State the conditions required for this reaction to occur.

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