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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
Write a note on Stephen reaction.
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
Acetone reacts with iodine (I2) to form iodoform, in the presence of ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Which of the following is Clemmensen reduction?
Which among the following compounds does NOT undergo aldol condensation?
Which of the following reagents is used to avoid further oxidation of aldehydes?
The formation of cyanohydrin from acetone is an example of ____________.
Predict the product Z in the following series of reactions.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.
Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.
Which of the following represents the correct order of acidity in the given compounds.
In which case, chiral carbon is not generated by reaction with HCN.
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
What is the action of HCN on 2, 4-dichlorobenzaldehyde?
How will you prepare acetic anhydride from acetic acid?
How will you prepare acetophenone from acetyl chloride?
How propanal is converted into propane.
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
Which of the following compounds does not undergo a haloform reaction?
Which of the following is not correctly matched?
How are the following compound obtained from alkyne?
Acetone
What is the action of hydrogen cyanide on the following?
Acetone
Write a note on Clemmensen reduction.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of strong base KOH.
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare Acetic anhydride from acetic acid.
Which from following compounds does NOT undergo haloform reaction?
