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Chemistry
Esters (Section 6)
Question | Answer |
---|---|
What 3 things are most commonly used to create an ester? | Alcohol, carboxylic acid and acid catalyst |
What is the functional group of esters? | -COO- |
Give two distinct features of esters | - Pleasant smell - Volatile (evaporate easily) |
What is the most commonly used acid catalyst when making an ester? | Concentrated sulfuric acid |
What is the byproduct (extra product) of the reaction when making an ester? | Water |
What two everyday products are esters used in? | 1. Perfumes 2. Food flavourings |
What word can we use to describe the creation of an ester? | Esterification |
During esterification, why do we use a water bath to heat the alcohol and carboxylic acid instead of a bunsen burner? | It's dangerous, as alcohols are flammable |
How would you know that ethyl ethanoate has formed in a reaction? | You would smell the fruity smell that esters have |
When preparing ethyl ethanoate, is the ethyl ethanoate produced pure or impure? | Impure |