One of the first reaction mechanisms students learn in undergraduate organic chemistry is the S N 2 reaction. Named because it involves the collision of two molecules, its energy barrier is related to ...

Why does reactivity of group 1 metals increase down the group? How do alkali metals react with oxygen, water and chlorine? All this and more covered in this comprehensive lesson with questions and ...

A fully scaffolded and differentiated 6-mark exam question worksheet on Group 7 reactivity and displacement reactions. This resource guides students step-by-step through a common extended-response ...