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प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
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उत्तर
संबंधित प्रश्न
Write a note on Stephen reaction.
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.
Write another name of disproportionation reaction?
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Which of the following gives red precipitate with Fehling's solution?
Identify B in the following reaction,
\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
Which of the following compounds does NOT undergo aldol condensation?
The number of α-H atoms in butanal is ____________.
Which of the following is Clemmensen reduction?
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
Benzoic acid
How is the following conversion effected phenyl methanal into benzoin?
Which of the following compounds is most reactive towards nucleophilic addition reactions?
How acetone is converted into propane.
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
Which of the following compound will give positive iodoform test?
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?
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.
Write reactions when phenol reacts with Dilute HNO3
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Which from following tests confirms presence of aldehydic group in glucose?
