Question

Photochemical chlorination of alkane is initiated by the process of:

• A. pyrolysis
• B. substitution
• C. homolysis
• D. peroxidation

Answer 1

Answer: (C)

Chlorination of alkane Step I: (Initiation step) $400\text{ }K$ (Formation of free radicals) Step II: Propagation step $440K$ $520\text{ }K$ Step III: Termination step ${{H}_{2}}{{O}_{2}}$ $SiC{{l}_{4}}$ ${{C}_{2}}{{H}_{2}}$