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प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
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उत्तर
संबंधित प्रश्न
ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
Acetone reacts with iodine (I2) to form iodoform, in the presence of ____________.
Which of the following compounds does NOT undergo aldol condensation?
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Which of the following does not give yellow solid on treatment with sodium hypoiodlte?
Which of the following carbonyl compounds does NOT undergo aldol condensation?
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
Predict the product Z in the following series of reactions.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
\[\ce{Ethanoic acid ->[P/Br2] 2-bromoethanoic acid}\]. This reaction is called ____________.
In which of the following reactions new carbon-carbon bond is not formed?
How is the following conversion effected phenyl methanal into benzoic acid?
Identify A, B and C.
How will you prepare ethyl acetate from methyl acetate?
Which one of the following substituents at para-position is most effective in stabilizing the phenoxide 
ion?
Which one of the following reactions will not result in the formation of a carbon-carbon bond?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
Which of the following compound will give positive iodoform test?
Which of the following reaction does not involve either oxidation or reduction?
A carbonyl compound A having molecular formula C5H10O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling solution. Identify A.
Give two examples which undergo Wolf-Kishner reduction.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of a slightly acidic medium.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of strong base KOH.
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Nitration of the compound is carried out; this compound gives a red-orange ppt. with 2,4-DNP, this compound undergoes the Cannizzaro reaction but not aldol, then possible product due to nitration is:
