[Solved] On Heating Ethanol With Concentrated H2SO4 At 443 K Gives

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Question

Download Solution PDFOn heating ethanol with concentrated H2SO4 at 443 K gives ________. This question was previously asked in RRB JE Previous Paper 17 (Held On: 27 May 2019 Shift 3) Download PDF Attempt Online View all RRB JE Papers >
  1. Ethane
  2. Ethene
  3. Ethyne
  4. Methane

Answer (Detailed Solution Below)

Option 2 : Ethene Crack RRB JE (Civil) Guaranteed Selection Program 2025 (2.0) with India's Super Teachers FREE Demo Classes Available* Explore Supercoaching For FREE Free Tests View all Free tests > Free SSC JE Civil CBT 1 (Mission Selection): Mega Live Test - 01 11.7 K Users 200 Questions 200 Marks 120 Mins Start Now

Detailed Solution

Download Solution PDF

The correct answer is Ethene.

Key Points

  • On heating ethanol with concentrated H2SO4 at 443 K (K is for Kelvin, a unit of temperature measurement), it gives Ethene.
  • The chemical reaction is:
    • C2H5OH → C2H4 + H2O
  • In this reaction concentrated sulphuric acid acts as a dehydrating agent.
  • Sulfuric acid is majorly used in the production of fertilizers superphosphate of lime and ammonium sulfate.
  • Sulfuric acid is produced using sulfur, oxygen, and water via the contact process.
  • For alkenes, the first member is ethene followed by propene, butene, etc.

RRB JE Chem 67 11 Q Hindi - Final images madhu Q9

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