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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
Write a note on Stephen reaction.
Explain haloform reaction with suitable example.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Identify the INCORRECT reaction.
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
The compound which does NOT undergo haloform reaction is ____________.
The first oxidation product of secondary alcohols is ____________.
The formation of cyanohydrin from acetone is an example of ____________.
Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.
Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.
Which one of the following reaction is an example of disproportionation reaction.
Phenyl methanal is reacted with concentrated NaOH to give two products X and Y. X reacts with metallic sodium to liberate hydrogen X and Y are ____________.
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
What is the action of HCN on propanone?
How is the following conversion effected phenyl methanal into benzoic acid?
Complete the following reaction.
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH2 - C - CH3 ->[HO - CH2 - CH2 - CH2 - OH][dry HCl] ?}\\
||\phantom{.........}\\
\ce{O}\phantom{.........}
\end{array}\]
How acetone is converted into propane.
Which of the following compound will show a positive silver mirror test?
In the above reaction, product (B) is:
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.
How are the following compound obtained from alkyne?
Acetaldehyde
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
How will you prepare acetic anhydride from acetic acid.
How will you prepare Acetic anhydride from acetic acid ?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare Acetic anhydride from acetic acid.
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.
The products formed in the following reaction, A and B are:
