Advertisements
Advertisements
प्रश्न
Draw structure of salicylaldehyde.
Advertisements
उत्तर
संबंधित प्रश्न
Complete the synthesis by giving missing starting material, reagent or product.
Complete the synthesis by giving missing starting material, reagent or product.
Complete the following reaction:
\[\ce{(C6H5CH2)2Cd + 2CH3COCI}\]
Answer the following in one sentence.
Write reaction showing conversion of ethanenitrile into ethanol.
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.
Which of the following alcohols needs acidic KMnO4 to convert it into aldehyde or ketone?
Which of the following is a Stephen reaction?
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 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?
Identify 'A' in the following reaction.
\[\ce{A ->[H2][Pd-BaSO4] C6H5CHO + HCl}\]
Which of the following is obtained by hydrogenation of benzoyl chloride in presence of Pd on BaSO4?
Which of the following reaction is shown by alkynes?
Which of the following on heating with aqueous KOH, produces acetaldehyde?
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
Explain Rosenmund reduction reaction.
Write the name of the product formed when ethanoyl chloride is treated with dimethyl cadmium.
How acetone is prepared from nitriles using Grignard reagent?
Write the reaction of Ethanoyl chloride on diethylamine.
Write preparation of propanone by using ethanoyl chloride and dimethyl cadmium.
Identify substrate ‘A’ in the following conversion:
\[\ce{A \underset{dry ether}{\overset{CH3MgCl}{->}} complex \overset{H3O+}{->} acetone}\]
