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Alcohols, Phenols and Ethers (Class 12)

Preparation, physical and chemical properties, mechanism of dehydration.

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Q1 · Alcohols, Phenols and Ethers (Class 12) · MEDIUM
When ethanol is heated with concentrated H2SO4 at 170°C, the major product formed is ethene. What is the mechanism of this dehydration reaction?
Q2 · Alcohols, Phenols and Ethers (Class 12) · EASY
Phenol reacts with bromine water at room temperature to give a white precipitate. What is the product formed?
Q3 · Alcohols, Phenols and Ethers (Class 12) · HARD
An ether C4H10O does not react with hot concentrated HI. However, another isomeric ether with the same molecular formula reacts with hot concentrated HI to form iodomethane and propan-1-ol. What are the two ethers?
Q4 · Alcohols, Phenols and Ethers (Class 12) · MEDIUM
Which from the following reagents is used to distinguish between phenol and ethanol?