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प्रश्न
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
विकल्प
Grignard reagent
Sn/HCl
hydrazine in presence of slightly acidic solution
hydrocyanic acid
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उत्तर
hydrazine in presence of slightly acidic solution
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संबंधित प्रश्न
Answer in brief.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
The first oxidation product of secondary alcohols is ____________.
Predict the product Z in the following series of reactions.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
Which of the following represents the correct order of acidity in the given compounds.
Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid.
Which of the following compounds is most reactive towards nucleophilic addition reactions?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
Which from following tests confirms presence of aldehydic group in glucose?
