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ICSE Class 10 Chemistry Question 54 of 62

Study of Compounds — Sulphuric Acid — Question 56

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Question

Question 3(2018)

State which property of sulphuric acid is shown by the reaction of concentrated sulphuric acid with:

(i) Ethanol

(ii) Carbon

Answer

(i) Dehydrating property

C2H5OH→Conc. H2SO4C2H4 [ethene−ethylene]+H2O\text{C}_{2}\text{H}_{5}\text{OH}\xrightarrow{\text{Conc. H}_2\text{SO}_4} \text{C}_{2}\text{H}_{4} \small{\space[ethene-ethylene]} + \text{H}_2\text{O}

(ii) Oxidizing property

C + 2H2SO4 (conc.) ⟶ CO2 + 2SO2 + 2H2O