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Carbon and its Compounds — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceCarbon and its Compounds1 Mark
Question
When ethanol is heated with concentrated sulphuric acid at 170°C, it gets converted into ethene. In this reaction, concentrated sulphuric acid acts as:
  1. Oxidising agent.
  2. Catalyst.
  3. Dehydrating agent.
  4. Reducing agent.
✓

Answer

  1. Dehydrating agent.

Explanation:

Sulphuric acid acts as a dehydrating agent as it removes water molecules from the alcohol (ethanol), and converts it to ethane.

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