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Question
Convert the following:
Propanenitrile to ethanol.
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Solution
\[\ce{CH3CH2CN ->[H3O+] CH3CH2CONH2 ->[Br2/NaOH] CH3CH2NH2 ->[HNO2] CH3CH2OH ->[PCC] CH3CHO}\]
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RELATED QUESTIONS
Give simple chemical test to distinguish between Ethanol and Phenol.
Wood spirit is known as acetone:
Arrange the following compounds in increasing order of acidity and give a suitable explanation.
Phenol, o-nitrophenol, o-cresol
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 |
Match the items of column I with items of column II.
| Column I | Column II | |
| (i) | Methanol | (a) Conversion of phenol to o-hydroxysalicylic acid |
| (ii) | Kolbe’s reaction | (b) Ethyl alcohol |
| (iii) | Williamson’s synthesis | (c) Conversion of phenol to salicylaldehyde |
| (iv) | Conversion of 2° alcohol to ketone | (d) Wood spirit |
| (v) | Reimer-Tiemann reaction | (e) Heated copper at 573 K |
| (vi) | Fermentation | (f) Reaction of alkyl halide with sodium alkoxide |
Assertion: Ethanol is a weaker acid than phenol.
Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous \[\ce{NaOH}\].
Tonics in general contain
Liquor poisoning is due to
Alcoholic fermentation is brought about by the action of
How methanol is obtained from methanal.
