Explain why alkenes can have stereoisomers

Alkenes have stereoisomers because no free rotation possible around the C=C double bond, as to do so would break the pi-bond between the two atoms. which requires energy to break.

JH

Related Chemistry A Level answers

All answers ▸

Why do elements give off coloured light when heated?


What is the significance of a reactant being zero, first, or second order when calculating the rate of a reaction?


Rank the following acids according to acid strength, strongest to weakest: HF, HCl, HBr. Explain your reasoning.


When propanal is reacted with potassium cyanide under weakly acidic conditions the resulting mixture does not rotate plane polarised light. Explain this observation.