EXERCISE ALKANE

EXERCISE
ALKANE

Prepared by: NFAG

Equation combustion of Methane, CH4: Equation combustion of Propane, CH3CH2CH3:

Excess oxygen Excess oxygen
Limited/ Very limited oxygen
Limited/ Very limited oxygen
UV
CH4 + Br2 UV
CH2Cl2 CH3CH2CH3 + Br2 CH2Cl2

Bromine test: Br2/ CH2Cl2 (UV) Bromine test: Br2/ CH2Cl2 (UV)
The reddish brown colour of bromine is decolourised The reddish brown colour of bromine is decolourised
Chain Initiation Step
Chain Initiation Step
Chain Propagation step
Chain Propagation step

Chain termination step Chain termination step

Prepared by: NFAG

CYCLIC ALKANE

UV Br CH3 + Br2 UV
CH2Cl2
+ Br2 CH2Cl2 + HBr

Bromine test: Br2/ CH2Cl2 (UV) Bromine test: Br2/ CH2Cl2 (UV)
The reddish brown colour of bromine is decolourised The reddish brown colour of bromine is decolourised

Chain Initiation Step Chain Initiation Step

Chain Propagation step Chain Propagation step

Chain termination step Chain termination step

Prepared by: NFAG