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प्रश्न
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.
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उत्तर
The product obtained by reacting toluene with carbon monoxide and hydrogen chloride in presence of anhydrous aluminium chloride is 4-Methylbenzaldehyde.
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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.
Complete the synthesis by giving missing starting material, reagent or product.
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?
What is the action of Sodium bisulphite on propanone?
Write only reactions for the preparation of benzophenone from benzonitrile.
Write chemical equation for the following:
Gatterman - Koch formylation
Answer the following in one sentence.
Write reaction showing conversion of ethanenitrile into ethanol.
What is the action of following reagents on ethanoic acid?
SOCl2/heat
What is the action of following reagents on ethanoic acid?
sodalime/heat
What is the action of following reagents on ethanoic acid?
P2O5/heat
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?
Rosenmund reduction of ____________ yields benzaldehyde.
Identify the compound obtained by side chain chlorination of toluene and hydrolysed further.
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 the compound A and Bin following reaction.
\[\ce{CH3Cl ->[KCN(alc)][\Delta] A ->[2H2O][HCl] B + NH4Cl}\]
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 compound on treatment with DIBAL-H yields dodecanal at 195 K?
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?
What is the final product obtained when benzonitrile react with phenyl magnesium bromide in equimolar proportion?
Identify 'A' in the following reaction.
\[\ce{A ->[H2][Pd-BaSO4] C6H5CHO + HCl}\]
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:
Which of the following reaction is shown by alkynes?
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?
Z is:
Ozonolysis of 2, 3 dimethyl but-2-ene, followed by decomposition by Zn dust and water gives ______.
What is the action of hydrogen cyanide on the following?
Benzaldehyde
Write Stephen reaction for the preparation of aldehyde.
How butanone is prepared from alcohol?
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
Explain Rosenmund reduction reaction.
Write the name of the product formed when ethanoyl chloride is treated with dimethyl cadmium.
Write the reaction of Ethanoyl chloride on diethylamine.
Write preparation of propanone by using ethanoyl chloride and dimethyl cadmium.
