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Chemistry · May / June 2017 · Paper 12 · Question 2

5070Giant covalent structures

The diagrams show the structures of two forms of carbon. Which of X and Y conduct electricity?

  1. AX ✓ Y ✓
  2. BX ✓ Y ✗
  3. CX ✗ Y ✓
  4. DX ✗ Y ✗

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Correct answer: C. X ✗ Y ✓

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