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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.
What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?
Write reaction showing aldol condensation of cyclohexanone.
Write a reaction to distinguish acetaldehyde from acetone.
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
In Clemmensen's reaction, ketone gives ____________.
Identify A, B and C.
Which of the following reaction does not involve either oxidation or reduction?
Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with zinc-amalgam and cone. HCI.
