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Alcohol dehydrated to an alkene and then hydrated with acid: identify the final product

This type of question, asked 2 times: 10 May 2023 S2, 20 Apr 2026 S1. All 2 questions below, oldest first.

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  1. Question 1

    10 May 2023 S2

    78
    Identify the product 'B' in the following series of reactions. Propan-1-ol →Al2O3, 623 K\xrightarrow{\text{Al}_2\text{O}_3,\,623\,\text{K}} A →(i) Conc. H2SO4 (ii) H2O\xrightarrow{\text{(i) Conc. H}_2\text{SO}_4\,\text{(ii) H}_2\text{O}} B

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  2. Question 2

    20 Apr 2026 S1

    41
    Identify product 'B' in following series of reactions 2-methylpropan-2-ol →363 K20% H2SO4A→Conc. H2SO4H2O ΔB\mathrm{\xrightarrow[363\ K]{20\%\ H_2SO_4} A \xrightarrow[\text{Conc. }H_2SO_4]{H_2O\ \Delta} B}

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