Production (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary method for producing alcohols in beverages and biofuels?
What is the primary method for producing alcohols in beverages and biofuels?
Fermentation of carbohydrates
What catalyst is used when adding water to an alkene to produce an alcohol?
What catalyst is used when adding water to an alkene to produce an alcohol?
Sulfuric acid
Which carbon-halogen bond has the lowest bond energy?
Which carbon-halogen bond has the lowest bond energy?
bond
Why do haloalkanes react more easily than alkanes in substitution reactions?
Why do haloalkanes react more easily than alkanes in substitution reactions?
C-X bonds are weaker than C-C bonds
Which type of haloalkane is most reactive in substitution reactions with water?
Which type of haloalkane is most reactive in substitution reactions with water?
Tertiary haloalkane
What are the products when glucose undergoes fermentation?
What are the products when glucose undergoes fermentation?
Ethanol and carbon dioxide
What is the ideal pH range for fermentation?
What is the ideal pH range for fermentation?
6.1-6.8
At what ethanol concentration will yeast cells be killed?
At what ethanol concentration will yeast cells be killed?
Approximately 14% v/v
Why must fermentation occur under anaerobic conditions?
Why must fermentation occur under anaerobic conditions?
O₂ oxidizes ethanol to ethanoic acid
Which type of sugar can most yeast NOT break down at all?
Which type of sugar can most yeast NOT break down at all?
Polysaccharides