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प्रश्न
How acetone is converted into propane.
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उत्तर
\[\begin{array}{cc}
\ce{CH3}\phantom{...........................................}\\
|\phantom{...........................................}\\
\ce{\underset{(Acetone)}{CH3 - C = O }+ 4[H] ->[Zn-Hg][conc{.} HCl] \underset{(propane)}{CH3CH2CH3}}\\
\end{array}\]
संबंधित प्रश्न
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
Acetone reacts with iodine (I2) to form iodoform, in the presence of ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
‘B’ is:
Identify the product formed in the 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 ____________.
In which of the following reactions new carbon-carbon bond is not formed?
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
Benzoic acid
Identify A, B and C.
How will you prepare lactic acid from ethanol?
The reagent used in Wolf - Kishner reduction is ______.
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
A substance C4H10O yields on oxidation a compound, C4H8O which gives an oxime and a positive iodoform test. The original substance on treatment with a conc. H2SO4 gives C4H8. The structure of the compound is ______.
Which of the following is not correctly matched?
How are the following compound obtained from alkyne?
Acetaldehyde
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:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
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.
