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प्रश्न
How will you prepare malachite green from benzaldehyde?
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उत्तर
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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.
Phenyl hydrazine
Which of the following does not give yellow solid on treatment with sodium hypoiodlte?
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
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 lactic acid from ethanol?
Which of the following compound will show a positive silver mirror test?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare Acetic anhydride from acetic acid.
