Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol, C$_2$H$_5$OH, is a member of the alcohol homologous series.
(a)[1]

Write the broad formula for alcohols.

(b)[1]

Explain why ethanol is not a hydrocarbon.

(c(i))[1]

Give the formula for the substance that reacts with steam to make ethanol.

(c(ii))[1]

Name a substance that will undergo fermentation to make ethanol.

(d)[2]

Write the chemical equation for the complete combustion of ethanol.

(e(i))[1]

State the empirical formula for X.

(e(ii))[2]

Draw the structure of X. Include every atom and every bond.

(e(iii))[1]

Name the other substance produced in this reaction.

(f(i))[1]

Name the functional groups in Y.

(f(ii))[1]

Draw the structure of Y. Include every atom and every bond.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: CₙH₂ₙ₊₁OH

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