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C3: Chemistry of Carbon Compounds (C3.3 Halogenoalkanes)
Quick questions on Halogenoalkanes (C3.3) - Eduqas A-Level Chemistry
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are substitution and elimination conditions?Show answer
Aqueous hydroxide gives substitution (alcohol); hot ethanolic hydroxide gives elimination (alkene). Quoting the wrong solvent loses the mark.
What is curly arrows in substitution?Show answer
The arrow must start from a lone pair on the nucleophile to the carbon, with a second arrow from the C-X bond to the halogen as it leaves.
What is q1?Show answer
Name the organic product when 1-bromopropane is heated with potassium cyanide in ethanol. [1 mark]
What is q2?Show answer
State the colour of the precipitate formed when 1-iodobutane is warmed with aqueous silver nitrate. [1 mark]
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