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6 (a) Ethane and propane are both alkanes - Edexcel - GCSE Chemistry - Question 6 - 2013 - Paper 1

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6 (a) Ethane and propane are both alkanes. Ethene and propene are both alkenes. (i) Which of the following statements about ethene is correct? Put a cross (X) in t... show full transcript

Worked Solution & Example Answer:6 (a) Ethane and propane are both alkanes - Edexcel - GCSE Chemistry - Question 6 - 2013 - Paper 1

Step 1

Which of the following statements about ethene is correct?

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Answer

The correct statement about ethene is:

B: ethene is a saturated hydrocarbon.

This is because ethene contains a double bond between carbon atoms, making it an alkene and thus not classified as a saturated hydrocarbon; however, we know that option B is incorrect, while A, C, and D contain incorrect claims.

Therefore, the correct option is A (ethene can form a polymer).

Step 2

Complete the table:

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Answer

NameFormula of MoleculeStructure of Molecule
PropeneC₃H₆Propene Structure
EtheneC₂H₄Ethene Structure
ButeneC₄H₈Butene Structure

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