Studienführer, Klassennotizen & Zusammenfassungen

1 Natural rubber is a polymer of 2-methylbuta-1,3-diene. H3C H2C CH2 C C H 2-methylbuta-1,3-diene (a) Draw the skeletal formula of 2-methylbuta-1,3-diene. [1] (b) The carbon-carbon double bond consists of both a sigma(σ) and a pi(π) bond. (i) The diagram of ethene below shows the position of the sigma(σ) bond between the carbon atoms. On the diagram sketch the shape and position of the pi(π) bond. H H C C H H σ bond [1] (ii) Explain the meaning of the wedge bond ( ) in ter...