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This question is about alcohols - Edexcel - GCSE Chemistry - Question 7 - 2021 - Paper 1

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This question is about alcohols. (i) Figure 14 shows an incomplete diagram of the structure of a molecule of propanol, CH₃CH₂CH₂OH. Complete the structure of the mo... show full transcript

Worked Solution & Example Answer:This question is about alcohols - Edexcel - GCSE Chemistry - Question 7 - 2021 - Paper 1

Step 1

Complete the structure of the molecule of propanol in Figure 14.

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Answer

The complete structure of propanol (C₃H₈O) includes a linear chain of three carbon atoms (C) with the hydroxyl (OH) group on the terminal carbon atom. The structure can be represented as follows:

       H   H   H
       |   |   |
    H--C--C--C--OH
       |   |   |
       H   H   H

Ensure that each carbon atom has enough hydrogen atoms to form four total bonds.

Step 2

What happens to propanol in this reaction?

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Answer

C. it is oxidised Propanol, when converted into propanoic acid, undergoes oxidation, resulting in the formation of a carboxylic acid group (-COOH) from the alcohol group (-OH).

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