Preparation of Aldehydes and Ketones

IMPORTANT

Preparation of Aldehydes and Ketones: Overview

This Topic covers sub-topics such as Stephen Reaction, Oxo Process, Methods of Preparation of Aldehydes and Ketones, Preparation of Aldehydes and Ketones by Oxidation of Alcohols, Methods of Preparation of Aldehydes and, Methods of Preparation of Ketones

Important Questions on Preparation of Aldehydes and Ketones

MEDIUM
IMPORTANT

Which of the following on heating with aqueous KOH, produces acetaldehyde?

MEDIUM
IMPORTANT

Please explain about Stephen's reaction?
 

HARD
IMPORTANT

Convert the following :

CH3OH to C2H5OH

HARD
IMPORTANT

Complete the given synthesis by giving missing reagents in the following reaction:

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HARD
IMPORTANT

Name the reagents used in the following reaction:

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HARD
IMPORTANT

Write the structures of the main products of the following reactions:

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HARD
IMPORTANT

Write the structures of the main products of the following reactions:

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MEDIUM
IMPORTANT

Write the structure of the product formed in the following reaction :

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HARD
IMPORTANT

The reaction CH2=CH2+CH3COClAlCl3​​ gives the product:

HARD
IMPORTANT

In the below reaction, the structural formula of (A), "X" and "Y" respectively are :

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HARD
IMPORTANT

Identify the compound X in the following sequence

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HARD
IMPORTANT

Identify compound X in the following sequence of reaction :

Identify compound X in the following sequence of reactions

MEDIUM
IMPORTANT

An alkene ‘A’ (Molecular formula C5H10) on ozonolysis gives a mixture of two compounds ‘B’ and ‘C’. Compound ‘B’ gives positive Fehling’s test and also forms iodoform on treatment with I2 and NaOH. Compound ‘C’ does not give Fehling’s test but forms iodoform. Identify the compounds A, B and C. Write the reaction for ozonolysis and formation of iodoform from B and C.

EASY
IMPORTANT

In the reaction CH3CH2COClH2Pd/BaSO4X,  the X is

EASY
IMPORTANT

How the alkenes are the substrate and CO/H2 are the reagent of oxo process.

EASY
IMPORTANT

Write the oxo process to produce aldehydes?

EASY
IMPORTANT

Give the product formed by the reaction of toluene with chromic oxide in acetic anhydride?

MEDIUM
IMPORTANT

Write a chemical reaction for the oxo process.

EASY
IMPORTANT

Oxo process is an industrial process to prepare the ketone.