The rate of reaction between alkene X and steam is increased by a catalyst. Butanol may be oxidised by oxygen, forming butanoic acid.

1. aName the catalyst used for this reaction. [1]
2. bHow does the catalyst affect the amount of the products in this reaction? [1]
3. cSuggest the name of another substance that will oxidise butanol. [1]
4. dSuggest a test to show that butanoic acid has been formed. [2]
5. eWhat type of substance is formed when butanol is reacted with butanoic acid under suitable conditions? [1]

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