State and explain the conditions for cis/trans isomerism and how this differs from E/Z isomerism.
cis/trans isomerism requires a double bond for restricted rotation about the bond, two different groups on each carbon of the double bond and at least one of the groups on each carbon of the double bond are the same. E/Z only differs by the fact that the isomers can be assigned E or Z as long as all groups attached to each carbon of the double bond are different and a double bond is still required.
EC
Related Chemistry A Level answers
All answers ▸Why does the pH of neutral water drop when it is left out in an uncovered container on a worktop for a long period of time?
In the presence of ultraviolet light, ethane and chlorine react to give a mixture of products. What are the products of this reaction?
(i) What property does Magnesium Oxide have that makes it useful to create heat-resistant bricks to line furnaces? (ii) Explain why H2S exists as a gas and H2O exists as a liquid (at r.t.p).
25cm^3 of 0.1M NaOH is reacted with 0.01M HCl until the equivalence point is reached. What volume of HCl was required to be added?