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प्रश्न
The following compounds will give positive Fehling’s test.
पर्याय
Propanone
Pentan-3-one
Butanone
Butanal
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उत्तर
Butanal
APPEARS IN
संबंधित प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
Benzaldehyde gives all tests positive EXCEPT ____________.
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Fehling solution is ____________.
In Clemmensen's reaction, ketone gives ____________.
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 ____________.
\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Identify the product formed in the reaction.
How will you convert benzaldehyde into the following compound?
Benzophenone
How will you prepare acetamide from methyl cyanide?
How will you prepare acetaldehyde from ethyne?
The reagent used in Wolf - Kishner reduction is ______.
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How are the following compound obtained from alkyne?
Acetaldehyde
Write a note on Clemmensen reduction.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Nitration of the compound is carried out; this compound gives a red-orange ppt. with 2,4-DNP, this compound undergoes the Cannizzaro reaction but not aldol, then possible product due to nitration is:
