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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 structure of the product of the following reaction:
\[\ce{H3C - C ≡ C - H ->[Hg^{2+}, H2SO4]}\]
Complete the synthesis by giving missing starting material, reagent or product.
Complete the synthesis by giving missing starting material, reagent or product.
Write a note on ‘aldol condensation’.
What is the action of phenyl hydrazine on propanone?
Write the IUPAC name of the follow
\[\begin{array}\ce{\phantom{--..}O}\\\ce{\phantom{--..}||}\\ \ce{CH2=CH-C-CH3}\end{array}\]
Write chemical equation for the following :
Rosenmund reduction
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?
SOCl2/heat
What is the action of following reagents on ethanoic acid?
P2O5/heat
Write reactions for the following conversions.
Benzene to Benzaldehyde
The formation of aldehyde from an alkyl cyanide using SnCl2/conc.HCl is known as ____________.
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 is a Stephen reaction?
Which of the following is called as mandelonitrile?
Which of the following represents Etard's reaction?
Rosenmund reduction of ____________ yields benzaldehyde.
The reaction in which methyl group on benzene ring is converted to aldehydic group is called ______.
The product of the reaction between dimethylcadmium and acetyl chloride is ____________.
Identify 'A' in the following reaction:
\[\begin{array}{cc}
\phantom{...........}\ce{O}\\
\phantom{...........}||\\
\ce{2A + (C6H5CH2)2 Cd -> 2CH3 - C - CH2 - C6H5 + CdCl2}\end{array}\]
Which among the following compounds is obtained when benzene is treated with CO and HCl in presence of catalyst anhydrous AlCl3 and Cu2Cl2 under high pressure?
Which of the following compounds does NOT undergo Friedel-Crafts reaction?
What is the final product obtained when benzonitrile react with phenyl magnesium bromide in equimolar proportion?
Which of the following is obtained by hydrogenation of benzoyl chloride in presence of Pd on BaSO4?
Chromyl chloride converts methyl group to a chromium complex, which on acid hydrolysis gives corresponding aldehyde. This reaction is called ____________.
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): SO2 is reducing while TeO2 is an oxidising agent.
Reason (R): Reducing property of dioxide decreases from SO2 to TeO2.
Select the most appropriate answer from the options given below:
How ketones are prepared from nitriles?
Two isomers 'A' and 'B' with molecular formula C4H8 give different products on oxidation with KMnO4 in acidic medium. Isomer 'A' on reaction with KMnO4/H+ results in the effervescence of gas and gives ketone. The compound 'A' is:
Which of the following on heating with aqueous KOH, produces acetaldehyde?
Which reagent is used in Etard reaction?
Ozonolysis of 2, 3 dimethyl but-2-ene, followed by decomposition by Zn dust and water gives ______.
Write Stephen reaction for the preparation of aldehyde.
How are the following compound obtained by hydration of alkenes?
Ethyl alcohol
How are the following compound obtained by hydration of alkenes?
Isopropyl alcohol
How are the following compound obtained by hydration of alkenes?
tert-butyl alcohol
How acetone is prepared from nitriles using Grignard reagent?
Write the reaction of Ethanoyl chloride on diethylamine.
