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प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
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उत्तर
संबंधित प्रश्न
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Benzaldehyde gives all tests positive EXCEPT ____________.
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
Which of the following will give positive iodoform test?
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
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.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.
Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Which one of the following reaction is an example of disproportionation reaction.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
How will you convert benzaldehyde into the following compound?
Benzophenone
What is the action of HCN on ethanal?
How will you prepare acetic anhydride from acetic acid?
How will you prepare malachite green from benzaldehyde?
How propanal is converted into propane.
In the above reaction, product (B) is:
What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How are the following compound obtained from alkyne?
Acetaldehyde
How are the following compound obtained from alkyne?
Acetone
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of the following regent on propanal?
Sodium Bisulphite
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.
