AS Level Chemistry: In many chemical reactions, especially organic reactions, not all reactants are changed to products you want, why? (3)

Question

In many chemical reactions, especially organic reactions, not all reactants are changed to products you want, why? (3)

Phillanie Jacobs · Accepted Answer

- other reactions going on at same time 
- reactants or products are lost in atmosphere 
- Reaction does not go to completion

In many chemical reactions, especially organic reactions, not all reactants are changed to products you want, why? (3)