The cellulose that is present in plant matter cannot be directly fermented to produce bioethanol - VCE - SSCE Chemistry - Question 1 - 2012 - Paper 1
Question 1
The cellulose that is present in plant matter cannot be directly fermented to produce bioethanol. The cellulose polymer must first be broken down into its constituen... show full transcript
Worked Solution & Example Answer:The cellulose that is present in plant matter cannot be directly fermented to produce bioethanol - VCE - SSCE Chemistry - Question 1 - 2012 - Paper 1
Step 1
What is the name of the monomer from which cellulose is formed?
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Answer
The monomer from which cellulose is formed is glucose.
Step 2
Complete the following chemical equation to show the formation of ethanol by fermentation of the cellulose monomer.
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Answer
The completed chemical equation is:
ightarrow 2CH_3CH_2OH(aq) + 2CO_2(g)$$
Step 3
Write a balanced equation for this reaction.
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Answer
The balanced equation for the production of ethanol from ethene in the presence of a catalyst is:
ightarrow C_2H_5OH(g)$$
Step 4
In the spaces provided above, balance the equation by adding appropriate coefficients for product A and product B.
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Answer
The balanced equation is:
ightarrow ext{Glycerol} + 3 ext{Fatty Acid}$$
Step 5
Name the fatty acid that is produced by the hydrolysis of this triglyceride.
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Answer
The fatty acid produced is ext{Oleic Acid} (C18H34O2).
Alternatively, the answer may vary depending on the structure of the triglyceride.
Step 6
Write a balanced equation for the oxidation reaction.
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The balanced equation for the oxidation of fatty acid is: