AQA A-level chemistry paper 2, June 2017, q1-6, walkthrough

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AQA A-level chemistry paper 2, June 2017. !st half- questions 1-6.
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thanks for the kind explanation. Really helped me a lot.

juneseopark
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But in 1.4 doesnt using an excess of haloalkane lead to a quaternary salt? Why does it form tertiary

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