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ICSE Class 10 Chemistry Question 62 of 62

Study of Compounds — Sulphuric Acid — Question 10

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Question

Question 6.5

Give reasons for the following:

Ethanol can be converted to ethene using sulphuric acid.

Answer

As H2SO4 is a strong dehydrating agent, so it removes elements of water i.e. hydrogen and oxygen in the ratio 2:1 from carbohydrates, organic compounds etc. Hence, ethanol can be converted to ethene using sulphuric acid.

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}