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ICSE Class 10 Chemistry Question 20 of 20

Solved 2018 Question Paper ICSE Class 10 Chemistry — Question 20

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Question

Question 7(d)

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

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