Reaction Summary
Reagents
- Hydrogen gas,
- (1 mol
)
Conditions
- Heat (~150 °C)
Catalyst
- Nickel,
(or Pt/Pd)
Chemical Equation
Equation
By-Products
- None
Observations
Observations
- No visible change (colourless liquid/solution throughout)
⚠️ 9701 Exam Notes / Pitfalls
Warning
- Assumes a cyclic unsaturated ketone (cyclohex-2-enone ➔ cyclohexanone). Hydrogenation does not create a ring.
- Limited
so that only C=C is reduced; excess would also reduce C=O ➔ cyclohexanol.