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Carboxylic acids and derivatives (A-level only)

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Question 5

Which reaction involves addition-elimination?

A

CH3CH2CH2Br+KOH→CH3CH=CH2+KBr+H2O\text{CH}_3\text{CH}_2\text{CH}_2\text{Br} + \text{KOH} \rightarrow \text{CH}_3\text{CH}=\text{CH}_2 + \text{KBr} + \text{H}_2\text{O}CH3​CH2​CH2​Br+KOH→CH3​CH=CH2​+KBr+H2​O

B

CH3COCl+CH3CH2OH→CH3COOCH2CH3+HCl\text{CH}_3\text{COCl} + \text{CH}_3\text{CH}_2\text{OH} \rightarrow \text{CH}_3\text{COOCH}_2\text{CH}_3 + \text{HCl}CH3​COCl+CH3​CH2​OH→CH3​COOCH2​CH3​+HCl

C

CH2=CH2+HBr→CH3CH2Br\text{CH}_2=\text{CH}_2 + \text{HBr} \rightarrow \text{CH}_3\text{CH}_2\text{Br}CH2​=CH2​+HBr→CH3​CH2​Br

D

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

Markscheme

Carboxylic acids and derivatives (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Carboxylic acids and derivatives (A-level only)

22 exam-style questions on AQA A Level Chemistry Carboxylic acids and derivatives (A-level only), covering Carboxylic acids and esters (A-level only) and Acylation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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