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प्रश्न
What is the action of Zn – Hg / conc. HCl on propanone?
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उत्तर
Propanone on reduction with zinc-amalgam and concentrated hydrochloric acid gives propane
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संबंधित प्रश्न
Write the structures of A and B in the following reactions:
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.
Write only reactions for the preparation of benzophenone from benzonitrile.
Write chemical equation for the following:
Gatterman - Koch formylation
Write the IUPAC name of the follow
\[\begin{array}\ce{\phantom{--..}O}\\\ce{\phantom{--..}||}\\ \ce{CH2=CH-C-CH3}\end{array}\]
How will you convert calcium acetate to acetaldehyde?
What is the action of following reagents on ethanoic acid?
sodalime/heat
The reaction in which methyl group on benzene ring is converted to aldehydic group is called ______.
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?
Identify 'A' in the following reaction.
\[\ce{A ->[H2][Pd-BaSO4] C6H5CHO + HCl}\]
Identify product A in the following reaction:
\[\ce{Acetyl chloride + Dibenzylcadmium -> A}\]
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?
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?
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.
Identify the suitable reagent for the following conversion.
Identify the reagent ‘R’ necessary to bring the following conversion.
