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प्रश्न
Answer in brief.
What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?
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उत्तर
संबंधित प्रश्न
Benzaldehyde does NOT show positive test with ______.
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
Explain haloform reaction with suitable example.
Benzaldehyde gives all tests positive EXCEPT ____________.
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 ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
The number of α-H atoms in butanal is ____________.
The formation of cyanohydrin from acetone is an example of ____________.
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
Benzophenone
How will you convert benzaldehyde into the following compound?
Benzoic acid
How is the following conversion effected Hex-3-yne into hexan-3-one?
How is the following conversion effected phenyl methanal into benzoic acid?
How will you prepare malachite green from benzaldehyde?
How propanal 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?
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?
How are the following compound obtained from alkyne?
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 ?
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 the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare acetic anhydride from acetic acid?
Which from following tests confirms presence of aldehydic group in glucose?
