Figure 1 shows the structure of a molecule of each of four compounds, A, B, C and D - Edexcel - GCSE Chemistry Combined Science - Question 1 - 2023 - Paper 2
Question 1
Figure 1 shows the structure of a molecule of each of four compounds, A, B, C and D.
(a) The formula of a molecule of compound A is H₂O.
Give the formula of a molec... show full transcript
Worked Solution & Example Answer:Figure 1 shows the structure of a molecule of each of four compounds, A, B, C and D - Edexcel - GCSE Chemistry Combined Science - Question 1 - 2023 - Paper 2
Step 1
Give the formula of a molecule of compound D.
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Answer
The formula of compound D, based on the structure provided in Figure 1, is C₄H₁₀.
Step 2
Draw one straight line from each name to the structure of a molecule of that compound.
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Answer
Carbon Dioxide ➞ Structure of Molecule with the formula O₂C═O.
Methane ➞ Structure of Molecule with the formula CH₄.
