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Alkanes

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Question 3

When propane is reacted with chlorine in the presence of ultraviolet light, a radical substitution reaction occurs. Which of the following lists consists solely of radicals that are formed as intermediates at some stage of this mechanism?

A

H∙\text{H}^\bulletH∙, Cl∙\text{Cl}^\bulletCl∙, CH3CH2CH2∙\text{CH}_3\text{CH}_2\text{CH}_2^\bulletCH3​CH2​CH2∙​

B

Cl∙\text{Cl}^\bulletCl∙, CH3CH2∙\text{CH}_3\text{CH}_2^\bulletCH3​CH2∙​, CH3CH∙CH3\text{CH}_3\text{CH}^\bullet\text{CH}_3CH3​CH∙CH3​

C

Cl∙\text{Cl}^\bulletCl∙, CH3CH2CH2∙\text{CH}_3\text{CH}_2\text{CH}_2^\bulletCH3​CH2​CH2∙​, CH3CH∙CH3\text{CH}_3\text{CH}^\bullet\text{CH}_3CH3​CH∙CH3​

D

H∙\text{H}^\bulletH∙, CH3CH2CH2∙\text{CH}_3\text{CH}_2\text{CH}_2^\bulletCH3​CH2​CH2∙​, CH3CH∙CH3\text{CH}_3\text{CH}^\bullet\text{CH}_3CH3​CH∙CH3​

Markscheme

Alkanes Questions

  1. A Level
  2. /Chemistry
  3. /Alkanes

15 exam-style questions on OCR A A Level Chemistry Alkanes. Each one has a worked solution and a mark scheme showing where the marks go.

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