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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is meant by the following term? Give an example of the reaction in the following case. Acetal - Chemistry

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प्रश्न

What is meant by the following term? Give an example of the reaction in the following case.

Acetal

रासायनिक समीकरणे/रचना
अति संक्षिप्त उत्तर

उत्तर

Gem-dialkoxy compounds in which two alkoxy groups are present on the terminal carbon atom are called acetals. These are formed when the aldehyde reacts with two equivalents of monohydric alcohol in the presence of dry hydrogen chloride.

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पाठ 12: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ ३७७]

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एनसीईआरटी Chemistry [English] Class 12
पाठ 12 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 1 (ii) | पृष्ठ ३७७

संबंधित प्रश्‍न

Predict the product of the following reaction:


What is meant by the following term? Give an example of the reaction in the following case.

Oxime


What is meant by the following term? Give an example of the reaction in the following case.

Imine


Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.

Semicarbazide and weak acid


Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.

Excess ethanol and acid


Arrange the following compounds in increasing order of their property as indicated:

Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketone (reactivity towards HCN)


Complete the synthesis by giving missing starting material, reagent or product.

\[\ce{C6H5CHO ->[H2NCONHNH2]}\]


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acetophenone from benzene


Write the structure of Phenylmethanamine.


How will you convert sodium acetate to methane?


 Acetone, Acetaldehyde, Benzaldehyde, Acetophenone – reactivity towards addition of HCN. 


Benzaldehyde can be obtained from benzal chloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.


Which of the following has the most acidic hydrogen?


The most stable reagent for the conversion of R – CH2OH → RCHO is


The product "P" in the above reaction is:


In the following reaction

\[\ce{Carbonyl compound + MeOH <=>[HCl] acetal}\]

Rate of the reaction is the highest for ______.


Draw structures of the given derivatives.

The ethylene ketal of hexan-3-one


Draw structure of the following derivative.

Acetaldehydedimethylacetal


Draw structure of the following derivative.

The ethylene ketal of hexan-3-one


Draw structure of the following derivative.

The ethylene ketal of hexan-3-one


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