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Which compound is produced when 1-phenylethanol reacts with acidified potassium dichromate(VI)? A C₆H₁₂CHOH B C₆H₁₂CHO C C₇H₈O₂ D C₈H₁₀(OH)₂ - AQA - A-Level Chemistry - Question 26 - 2021 - Paper 3

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Question 26

Which-compound-is-produced-when-1-phenylethanol-reacts-with-acidified-potassium-dichromate(VI)?--A-C₆H₁₂CHOH--B-C₆H₁₂CHO--C-C₇H₈O₂--D-C₈H₁₀(OH)₂-AQA-A-Level Chemistry-Question 26-2021-Paper 3.png

Which compound is produced when 1-phenylethanol reacts with acidified potassium dichromate(VI)? A C₆H₁₂CHOH B C₆H₁₂CHO C C₇H₈O₂ D C₈H₁₀(OH)₂

Worked Solution & Example Answer:Which compound is produced when 1-phenylethanol reacts with acidified potassium dichromate(VI)? A C₆H₁₂CHOH B C₆H₁₂CHO C C₇H₈O₂ D C₈H₁₀(OH)₂ - AQA - A-Level Chemistry - Question 26 - 2021 - Paper 3

Step 1

Identify the reaction with 1-phenylethanol

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Answer

When 1-phenylethanol, which is a primary alcohol, reacts with acidified potassium dichromate(VI), it undergoes oxidation. The oxidizing agent (potassium dichromate) will convert the primary alcohol to an aldehyde.

Step 2

Determine the product formed

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Answer

The product formed from the oxidation of 1-phenylethanol is phenylacetaldehyde, with the molecular formula C₇H₈O₂.

Step 3

Select the correct answer option

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Answer

Based on the provided options, C C₇H₈O₂ is the correct answer as it represents phenylacetaldehyde.

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