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Alkenes

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Question 7

In which of the following reactions is the initial step characterized by the attack of an electrophile on the organic reactant?

A

CH3CH2Br+NaOH→CH3CH2OH+NaBr\text{CH}_3\text{CH}_2\text{Br} + \text{NaOH} \rightarrow \text{CH}_3\text{CH}_2\text{OH} + \text{NaBr}CH3​CH2​Br+NaOH→CH3​CH2​OH+NaBr

B

CH3COCH3+HCN→(CH3)2C(OH)CN\text{CH}_3\text{COCH}_3 + \text{HCN} \rightarrow \text{(CH}_3)_2\text{C(OH)CN}CH3​COCH3​+HCN→(CH3​)2​C(OH)CN

C

(CH3)2C=CH2+HBr→(CH3)3CBr\text{(CH}_3)_2\text{C}=\text{CH}_2 + \text{HBr} \rightarrow \text{(CH}_3)_3\text{CBr}(CH3​)2​C=CH2​+HBr→(CH3​)3​CBr

D

CH3CH3+Cl2→CH3CH2Cl+HCl\text{CH}_3\text{CH}_3 + \text{Cl}_2 \rightarrow \text{CH}_3\text{CH}_2\text{Cl} + \text{HCl}CH3​CH3​+Cl2​→CH3​CH2​Cl+HCl

Markscheme

Alkenes Questions

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

22 exam-style questions on AQA A Level Chemistry Alkenes, covering Structure, bonding and reactivity, Addition reactions of alkenes, and Addition polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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