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प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
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उत्तर
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.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
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
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Fehling solution is ____________.
Which of the following will give positive iodoform test?
The number of α-H atoms in butanal is ____________.
Which of the following is a Wolf - Kishner reduction?
\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:
In which of the following reactions new carbon-carbon bond is not formed?
How is the following conversion effected phenyl methanal into benzoin?
How will you prepare lactic acid from ethanol?
A substance C4H10O yields on oxidation a compound, C4H8O which gives an oxime and a positive iodoform test. The original substance on treatment with a conc. H2SO4 gives C4H8. The structure of the compound is ______.
In the above reaction, product (B) is:
Which of the following reaction does not involve either oxidation or reduction?
Which of the following compounds does not undergo a haloform reaction?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of hydrogen cyanide on the following?
Acetone
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
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.
How will you prepare Acetic anhydride from acetic acid.
