Science

Natural Selection of Peppered Moths

Imagine yourself as a bird. What kind of selective pressure would you exert on peppered moths in polluted and unpolluted environments?

How well do you know this topic? Test yourself here!

How does the electrophilic addition of H-Br to ethene happen?

Find out more about how the Sn1 mechanism works!

How much do you know about the Sn2 mechanism? Is there a complete inversion of stereochemistry?

Discover how the E1 mechanism works here!

Which conformation (anti-periplanar, left, or syn-periplanar, right) is favoured by the E2 mechanism?

Do you know how to draw a line of best fit?