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Question
Write the mechanism of the following reaction :
\[\ce{C2H5OH->[H2SO4][443K]CH2=CH2 + H2O}\]
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Solution
Mechanism: Dehydration of ethanol
Step 1: Formation of Protonated alcohol
Step 2: Formation of carbocation(slow step)
Step 3: Formation of ethane
RELATED QUESTIONS
Among the following the one which reacts most readily with ethanol is:
Methanol and ethanol are miscible in water due to ____________.
Phenol can be distinguished from ethanol by the reactions with:
(i) \[\ce{Br2/water}\]
(ii) \[\ce{Na}\]
(iii) Neutral \[\ce{FeCl3}\]
(iv) All the above
Arrange the following compounds in increasing order of acidity and give a suitable explanation.
Phenol, o-nitrophenol, o-cresol
Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.
Match the items of column I with items of column II.
| Column I | Column II | |
| (i) | Antifreeze used in car engine | (a) Neutral ferric chloride |
| (ii) | Solvent used in perfumes | (b) Glycerol |
| (iii) | Starting material for picric acid | (c) Methanol |
| (iv) | Wood spirit | (d) Phenol |
| (v) | Reagent used for detection of phenolic group | (e) Ethleneglycol |
| (vi) | By product of soap industry used in cosmetics | (f) Ethanol |
Assertion: Ethanol is a weaker acid than phenol.
Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous \[\ce{NaOH}\].
Convert the following:
Propanenitrile to ethanol.
Which reagent can convert acetic acid into ethanol?
Write chemical reactions of following reagents on methoxyethane:
dilute H2SO4
