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This question is about isomers: Give a reagent and observations for a test-tube reaction to distinguish between 2-methylbutan-1-ol and 2-methylbutan-2-ol - AQA - A-Level Chemistry - Question 6 - 2019 - Paper 2

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This question is about isomers: Give a reagent and observations for a test-tube reaction to distinguish between 2-methylbutan-1-ol and 2-methylbutan-2-ol. Reagent:... show full transcript

Worked Solution & Example Answer:This question is about isomers: Give a reagent and observations for a test-tube reaction to distinguish between 2-methylbutan-1-ol and 2-methylbutan-2-ol - AQA - A-Level Chemistry - Question 6 - 2019 - Paper 2

Step 1

Reagent:

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Answer

Add potassium dichromate solution (K ext{ }Cr ext{ }O_7) in sulfuric acid.

Step 2

Observation with 2-methylbutan-1-ol:

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Answer

The solution will change from orange to green, indicating oxidation.

Step 3

Observation with 2-methylbutan-2-ol:

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Answer

The solution remains orange, indicating no reaction.

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