[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 >- Ethane
- Ethene
- Ethyne
- Methane
Answer (Detailed Solution Below)
Option 2 : Ethene Crack RRB JE CBT - 1 Offline Mock Test with India's Super Teachers FREE Demo Classes Available* Explore Supercoaching For FREE
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Download Solution PDFThe 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.
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