Choosing a Reaction Pathway (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a reaction pathway?
What is a reaction pathway?
Steps/reactions to make a product
What does a higher percentage yield indicate?
What does a higher percentage yield indicate?
More product from same reactants
What does atom economy measure?
What does atom economy measure?
How much reactants end as product/waste
Why are faster reactions usually preferred?
Why are faster reactions usually preferred?
They produce product more quickly
What are the products of glucose fermentation?
What are the products of glucose fermentation?
Ethanol and carbon dioxide
What reacts with water in the hydration method to produce ethanol?
What reacts with water in the hydration method to produce ethanol?
Ethene
Where does the ethene used in hydration come from?
Where does the ethene used in hydration come from?
Crude oil
What is the percentage yield of ethanol from fermentation?
What is the percentage yield of ethanol from fermentation?
15%
What is the atom economy of ethanol production by hydration of ethene?
What is the atom economy of ethanol production by hydration of ethene?
100%
How do the reaction rates compare between fermentation and hydration?
How do the reaction rates compare between fermentation and hydration?
Hydration is faster
How much ethene converts to ethanol at one time in the hydration reaction?
How much ethene converts to ethanol at one time in the hydration reaction?
5%
What can be done with by-product from fermentation to improve atom economy?
What can be done with by-product from fermentation to improve atom economy?
Sell it to fizzy drink companies