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 ▸

Give the IUPAC name of CH3CH2CH2CH2CH(OH)CN and describe why the formation of this molecule creates 2 enantiomers.


State the reagents and conditions for the formation of an aldehyde, starting from a primary-alcohol.


State and explain the effect of the following on the rate of a reaction: a) increasing temp b) increasing pressure c) increasing concentration of ONE reactant d) adding a catalyst. In each case state what will happen to the rate constant, k.


Giving the electronic configurations for each element, predict the trend in 1st ionisation energies going across period 2 from Lithium to Neon.