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प्रश्न
The following compounds will give positive Fehling’s test.
विकल्प
Propanone
Pentan-3-one
Butanone
Butanal
उत्तर
Butanal
APPEARS IN
संबंधित प्रश्न
Write another name of disproportionation reaction?
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
Identify B in the following reaction,
\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]
Which of the following represents the structure of isopropyl methyl ketone?
The number of α-H atoms in butanal is ____________.
The first oxidation product of secondary alcohols is ____________.
Which of the following is Clemmensen reduction?
Which of the following reagents is used to avoid further oxidation of aldehydes?
‘B’ is:
Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid.
In which of the following reactions new carbon-carbon bond is not formed?
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 will you prepare acetic anhydride from acetic acid?
How will you prepare cinnamic acid from benzaldehyde?
How acetone is converted into propane.
Which one of the following substituents at para-position is most effective in stabilizing the phenoxide 
ion?
Which of the following compound will give positive iodoform test?
Which of the following is not correctly matched?
Write a note on Clemmensen reduction.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of a slightly acidic medium.
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
What is the action of the following regent on propanal?
Sodium Bisulphite
Explain Wolf-Kishner reduction reaction.
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.
