ALCOHOLS

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  • Created by: samsh
  • Created on: 01-06-16 14:13
conditions for production of glucose by fermentation
temperature of 35. Catalyst of yeast. process - distillation t purify. Anerobic
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why is a temperature of 35 degrees used in fermentation?
the optimal temperture for yeast to grow and reproduce. lower means lower production and higher could denature and kill yeast.
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why is is anaerobic?
produce ethanol an carbon dioxide, aerobic condtions produce water and carbon dioxide.
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what is a biofuel?
A fuel produced from renewable biological resources.
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an advantage of a biofuel
renewable but not a made from crude oil.
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what is acarbon neutral process?
A process in which there is no net overall carbon emissions to the atomosphere
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what do you get when you distill a primary alcohol?
you get an aldehyde
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what happens when you put an aldehyde under reflux?
you get a carboxylic acid
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what happens when you put a primary alcohol under reflux?
you produce a carboxylic acid
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what happens when you put a secondary alcohol under reflux?
you produce a Ketone
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When using tollens reagent, what do you expect to see if a aldehyde is present?
leave a silver mirror around the test tube (aldehyde has been oxidised)
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when using tollens reagent, what do you expec to see if a ketone was present?
No change
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what would you expect to see when using Fehlings solution when an aldehyde is present?
A brick red precipitate
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what would you expect to see when using Fehlings solution when a ketone is present?
No change
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Card 2

Front

why is a temperature of 35 degrees used in fermentation?

Back

the optimal temperture for yeast to grow and reproduce. lower means lower production and higher could denature and kill yeast.

Card 3

Front

why is is anaerobic?

Back

Preview of the front of card 3

Card 4

Front

what is a biofuel?

Back

Preview of the front of card 4

Card 5

Front

an advantage of a biofuel

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Preview of the front of card 5
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