A polymer A is formed by the polymerization of monomer B. Monomer B is formed by the pyrolysis of monochlorodifluoromethane in contact with platinum at 700 C. Monomer is a highly crystalline polymer with excellent insulation properties. What is the name of monomer B?

• A. ttetrafluoroethylene
• B. tvinylidene chloride
• C. tvinylidene fluoride
• D. tvinyl fluoride