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प्रश्न
The following compounds will give positive Fehling’s test.
विकल्प
Propanone
Pentan-3-one
Butanone
Butanal
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उत्तर
Butanal
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संबंधित प्रश्न
Write reaction showing aldol condensation of cyclohexanone.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Which of the following is Schiff's reagent?
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
Which of the following does not give yellow solid on treatment with sodium hypoiodlte?
In Clemmensen's reaction, ketone gives ____________.
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
The first oxidation product of secondary alcohols is ____________.
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
In which case, chiral carbon is not generated by reaction with HCN.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
How is the following conversion effected phenyl methanal into benzoin?
Identify A, B and C.
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How acetone is converted into propane.
In the above reaction, product (B) is:
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Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of the following regent on propanal?
Sodium Bisulphite
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.
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
