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6. What is the enthalpy change of benzene?

  • 20.8KJmol-1
  • -280 KJmol-1
  • -208 KJmol-1
  • 2.8KJmol-1

7. When did Kekule discover benzene?

  • 1925
  • 1825
  • 1835
  • 2010