P2

Question 1

How do you reduce by products free radical subsititution

Answer 1

By increasing the adding an excess of the alkane so that there is a higher chance of collision with alkane molecule instead of halogenoalkane molecule

Question 2

Three problems with free radical substitution

Answer 2

Mixture of products
Mixture of structural isomers
Need for extra time to separate desired product out eg by distillation
Atom economy : molar mass of Desired product / total product formed x 100