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प्रश्न
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
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उत्तर
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संबंधित प्रश्न
Answer in brief.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Answer in brief.
What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
Write a reaction to distinguish acetaldehyde from acetone.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
Which of following is not a property of red phosphorus?
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
Acetone on Clemmensen reduction gives ____________.
Which of the following will give positive iodoform test?
Which of the following is a Wolf - Kishner reduction?
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:
Which of the following represents the correct order of acidity in the given compounds.
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
In which case, chiral carbon is not generated by reaction with HCN.
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?
What is the action of HCN on propanone?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare acetamide from methyl cyanide?
How will you prepare ethane from sodium acetate?
How will you prepare malachite green from benzaldehyde?
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?
Write reactions when phenol reacts with Dilute HNO3
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is IUPAC name for
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