Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Glucose takes part in two processes.
(a(i))[1]

Name the process by which plants make glucose, $\text{C}_6\text{H}_{12}\text{O}_6$, from carbon dioxide and water.

(a(ii))[1]

Write down the symbol equation for this process.

(a(iii))[2]

State two key conditions required for this process to occur.

(b(i))[1]

Name the process.

(b(ii))[1]

Name the other product made when glucose is converted into ethanol.

(c(i))[3]

State the conditions and the type of catalyst used in this industrial production of ethanol.

(c(ii))[1]

Explain why this reaction is an addition reaction.

(c(iii))[3]

Complete the dot-and-cross diagram in Fig. 6.1 for a molecule of ethanol.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: photosynthesis process

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