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

EASY
IMPORTANT

The reagents used for the following conversions are:

(i) cyclohexanol to cyclohexan-1-one           

(ii) bromobenzene to benzoic acid

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

1-methylcyclohexa-1, 3-diene on reductive ozonolysis with Zn/H2O yields products A and B.The total number of sp2 hybridized carbons in A and B are

HARD
IMPORTANT

An unknown alkene A reacts with 3 mole of H2 gas in presence of platinum catalyst to form 1-isopropyl-4-methyl cyclohexane. When unknown alkene A is ozonized and reduced,following product are obtained

Question Image

The alkene A is

EASY
IMPORTANT

On hydrolysis in the presence of acid, nitroalkane gives

MEDIUM
IMPORTANT

The name of the reaction given below is:
   Question Image
 

EASY
IMPORTANT

What will be the product when benzene or its derivative is treated with carbon monoxide and hydrogen chloride in the presence of anhydrous aluminium chloride?

MEDIUM
IMPORTANT

What are the products A,B,C,D in the following reaction?

Question Image

MEDIUM
IMPORTANT

In the Rosenmund's reaction, what is the role of BaSO4 ?

EASY
IMPORTANT

The product obtained when benzene is treated with carbon monoxide and hydrogen chloride in presence of anhydrous AICI3?

EASY
IMPORTANT

Identify the product  X In the following reaction,

CH3COCl   BaSO4    Pd/H2X

 

MEDIUM
IMPORTANT

Which of the following is not synthesized by Rosenmund reduction:

EASY
IMPORTANT

Ethyl methyl ketone is obtained by heating calcium salts of

HARD
IMPORTANT

The Grignard's reagent used to convert Benzonitrile to acetophenone (benzophenone) is:

MEDIUM
IMPORTANT

The name of organic compound C4H6 that produces carbon dioxide, ethanal and methanal upon treatment with O3 followed by reduction with Zn/H2O is:

MEDIUM
IMPORTANT

The major product(s) in the following reactions is/are

Question Image

MEDIUM
IMPORTANT

What are X and Y in the following reaction sequence?

Question Image

HARD
IMPORTANT

Matching the following:

  Reaction conditions   Name of the reaction
a Question Image i Gatterman-Koch
b Question Image ii Etard
c Question Image iii Rosenmund

MEDIUM
IMPORTANT

The products P and Q of the following reactions, respectively are:

Question Image