Advertisements
Advertisements
प्रश्न
What is the action of phenyl hydrazine on propanone?
Advertisements
उत्तर
a. Propanone on reaction with phenyl hydrazine produces acetonephenylhydrazone.

APPEARS IN
संबंधित प्रश्न
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 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.
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
Draw structure of salicylaldehyde.
The formation of aldehyde from an alkyl cyanide using SnCl2/conc.HCl is known as ____________.
Which of the following is called as mandelonitrile?
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 the compound A and Bin following reaction.
\[\ce{CH3Cl ->[KCN(alc)][\Delta] A ->[2H2O][HCl] B + NH4Cl}\]
A reaction in which chromyl chloride in presence of CS2 converts methyl group of toluene to aldehydic group on acid hydrolysis is called _________.
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:
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?
Ozonolysis of 2, 3 dimethyl but-2-ene, followed by decomposition by Zn dust and water gives ______.
How are the following compound obtained by hydration of alkenes?
Isopropyl alcohol
Explain Rosenmund reduction reaction.
Write the reaction of Ethanoyl chloride on diethylamine.
Identify the reagent R used in following transformation.
Identify substrate ‘A’ in the following conversion:
\[\ce{A \underset{dry ether}{\overset{CH3MgCl}{->}} complex \overset{H3O+}{->} acetone}\]
Identify the reagent ‘R’ necessary to bring the following conversion.

