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प्रश्न
Write only reactions for the preparation of benzophenone from benzonitrile.
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उत्तर
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संबंधित प्रश्न
Write the structures of A and B in the following reactions:
Complete the synthesis by giving missing starting material, reagent or product.
What is the action of phenyl hydrazine on propanone?
What is the action of Zn – Hg / conc. HCl on propanone?
Answer the following in one sentence.
Name the product obtained by reacting toluene with carbon monoxide and hydrogen chloride in presence of anhydrous aluminium chloride.
What is the action of following reagents on ethanoic acid?
P2O5/heat
Write a reaction for the following conversion.
Benzene to Benzaldehyde.
In the formation of an aldol, α-carbon atom of one aldehyde molecule attaches to ____________ of another aldehyde molecule.
Catalyst used in Rosenmund reduction is ____________.
Which of the following alcohols needs acidic KMnO4 to convert it into aldehyde or ketone?
Which of the following represents Etard's reaction?
Rosenmund reduction of ____________ yields benzaldehyde.
Identify 'A' and 'B' respectively in following reaction.
\[\ce{Toluene ->[Cl2][hv] A ->[H2O][\Delta] B}\]
Identify 'A' in the following reaction:
\[\begin{array}{cc}
\phantom{...........}\ce{O}\\
\phantom{...........}||\\
\ce{2A + (C6H5CH2)2 Cd -> 2CH3 - C - CH2 - C6H5 + CdCl2}\end{array}\]
A reaction in which chromyl chloride in presence of CS2 converts methyl group of toluene to aldehydic group on acid hydrolysis is called _________.
What is the final product obtained when benzonitrile react with phenyl magnesium bromide in equimolar proportion?
Identify product A in the following reaction:
\[\ce{Acetyl chloride + Dibenzylcadmium -> A}\]
The reaction
How ketones are prepared from nitriles?
Which of the following on heating with aqueous KOH, produces acetaldehyde?
Which reagent is used in Etard reaction?
Write Stephen reaction for the preparation of aldehyde.
How are the following compound obtained by hydration of alkenes?
tert-butyl alcohol
How acetone is prepared from nitriles using Grignard reagent?
Which of the following on heating with aqueous KOH produces acetaldehyde.
Identify the product when alkyl alkanoate is hydrolysed with dil. HCl obtained when.
Identify the reagent ‘R’ necessary to bring the following conversion.
