Oxidation: cyclohexanol to cyclohexanone. Write the reaction scheme and reaction temperature.
a) Scheme: (CH₂)₅CHOH + O₂ -> (CH₂)₅C=O + H₂O; Temperature: 140°C
b) Scheme: (CH₂)₅CHOH + O₂ -> (CH₂)₅C=O + H₂O; Temperature: 60°C
c) Scheme: (CH₂)₅CHOH + O₂ -> (CH₂)₅C=O + H₂O; Temperature: 80°C
d) Scheme: (CH₂)₅CHOH + O₂ -> (CH₂)₅C=O + H₂O; Temperature: 100°C
