Ethene and hydrogen can react at a faster rate in the presence of the catalyst platinum. The equation below represents a reaction between ethene and hydrogen. 
58 Determine the molar mass of the product. [1]
59 State the number of electrons shared between the carbon atoms in one molecule of the reactant ethene. [1]
60 Explain, in terms of activation energy, why the catalyzed reaction occurs at a faster rate. [1]
Answer==> has a lower activation energy |
61 Explain why the reaction is classified as an addition reaction. [1]
Answer==> Two hydrogen atoms are added to the molecule |
on to Questions 62-63 |