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Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-OC-AL-0011 markL1 FoundationCalculatorMaking ethanol
Fermentation of glucose produces ethanol and
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0121 markL1 FoundationCalculatorCarboxylic acids
The functional group in carboxylic acids is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0021 markL2 StandardCalculatorMaking ethanol
Fermentation is carried out at about
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0031 markL2 StandardCalculatorMaking ethanol
An advantage of making ethanol by hydration of ethene is that
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0041 markL2 StandardCalculatorMaking ethanol
Balance: C2H5OH+_ O2→2CO2+3H2O\mathrm{C_2H_5OH+\_\,O_2\rightarrow2CO_2+3H_2O}. What is the coefficient of O2\mathrm{O_2}?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0051 markL2 StandardCalculatorCarboxylic acids
Ethanol can be oxidised to
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0061 markL2 StandardCalculatorCarboxylic acids
Ethanoic acid reacts with sodium carbonate to produce
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0071 markL2 StandardCalculatorEsters
Ethanol and ethanoic acid react to form
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0081 markL2 StandardCalculatorEsters
The catalyst for esterification is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0091 markL2 StandardCalculatorEsters
Esters are used in
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0103 marksL3 ExamCalculatorMaking ethanol
C6H12O6→2C2H5OH+2CO2\mathrm{C_6H_{12}O_6\rightarrow2C_2H_5OH+2CO_2}. What mass of ethanol (Mr=46M_r=46) can be made from 9090 g of glucose (Mr=180M_r=180)?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AL-0111 markL3 ExamCalculatorEsters
The ester formed from methanol and propanoic acid is
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Salam Academy Original Practice · Proposed mark scheme