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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

What is the action of following reagents on ethanoic acid? sodalime/heat

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प्रश्न

What is the action of following reagents on ethanoic acid?

sodalime/heat

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उत्तर

Sodium salts of ethanoic acid on heating with soda lime give methane which contains one carbon atom less than the ethanoic acid.

\[\ce{\underset{\text{Ethanoic acid}}{CH3 - COOH} ->[NaOH] \underset{\text{Sodium acetate}}{CH3 - COO- Na+} + NaOH ->[CaO][\Delta] \underset{\text{Methane}}{CH4} + Na2CO3}\]

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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Short answer questions (Type-II)

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 12 Aldehydes, Ketones and Carboxylic acids
Short answer questions (Type-II) | Q 1.2

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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:

\[\ce{H3C - C ≡ C - H ->[Hg^{2+}, H2SO4]}\]


Write a note on ‘aldol condensation’.


What is the action of phenyl hydrazine on propanone?


What is the action of following reagents on ethanoic acid?

P2O5/heat


Write a reaction for the following conversion.

Benzene to Benzaldehyde.


Catalyst used in Rosenmund reduction is ____________.


Which of the following is a Stephen reaction?


Which of the following is called as mandelonitrile?


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 ______.


Identify the compound A and Bin following reaction.

\[\ce{CH3Cl ->[KCN(alc)][\Delta] A ->[2H2O][HCl] B + NH4Cl}\]


Identify 'A' in the following reaction:

\[\begin{array}{cc}
\phantom{...........}\ce{O}\\
\phantom{...........}||\\
\ce{2A + (C6H5CH2)2 Cd -> 2CH3 - C - CH2 - C6H5 + CdCl2}\end{array}\]


A reaction in which chromyl chloride in presence of CS2 converts methyl group of toluene to aldehydic group on acid hydrolysis 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?


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 reagent is used in Etard reaction?


Z is:


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?

tert-butyl alcohol


Write the reaction of Ethanoyl chloride on diethylamine.


Identify the suitable reagent for the following conversion.


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