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

Complete the synthesis by giving missing starting material, reagent or product. OH ->[CrO3]

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प्रश्न

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

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उत्तर

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अध्याय 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५७]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.17 (ix) | पृष्ठ २५७

संबंधित प्रश्न

Write the structures of A and B in the following reactions:


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


Write the IUPAC name of the follow

\[\begin{array}\ce{\phantom{--..}O}\\\ce{\phantom{--..}||}\\ \ce{CH2=CH-C-CH3}\end{array}\]


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.


Write a reaction for the following conversion.

Benzene to Benzaldehyde.


In the formation of an aldol, α-carbon atom of one aldehyde molecule attaches to ____________ of another aldehyde molecule.


Which of the following is called as mandelonitrile?


Which of the following represents Etard's reaction?


Identify the compound obtained by side chain chlorination of toluene and hydrolysed further.


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?


Which of the following compounds does NOT undergo Friedel-Crafts reaction?


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:


Two isomers 'A' and 'B' with molecular formula C4H8 give different products on oxidation with KMnO4 in acidic medium. Isomer 'A' on reaction with KMnO4/H+ results in the effervescence of gas and gives ketone. The compound 'A' 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


Identify the reagent ‘R’ necessary to bring the following conversion.


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