Question : Heating ethanol with excess concentrated sulphuric acid produces:
Option 1: ethane
Option 2: ethyne
Option 3: butane
Option 4: ethene
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Correct Answer: ethene
Solution : The correct answer is ethene.
Ethanol is dehydrated (water is removed) when heated with hot, concentrated sulphuric acid, producing ethene. The concentrated acid is recovered unaltered, serving only as a dehydrating agent. H2SO4 is used as a dehydrator during the ethanol-to-ethane conversion process.
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Question : The acid stored in batteries is:
Option 1: Sulphuric acid
Option 2: Nitric acid
Option 3: Hydrochloric acid
Option 4: Acetic acid
Question : LPG is a mixture of______.
Option 1: Methane and Butane
Option 2: Butane and Propane
Option 3: Methane and Propane
Option 4: Ethane and Propane
Question : Sulphuric acid is
Option 1: monobasic
Option 2: dibasic
Option 3: tribasic
Option 4: tetrabasic
Option 1: Monobasic
Option 2: Dibasic
Option 3: Tribasic
Option 4: Tetrabasic
Question : Hydrochloric acid is also known as
Option 1: Gallic acid
Option 2: Picric acid
Option 3: Muriatic acid
Option 4: Chloric acid
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