MEDIUM
Earn 100

Write the preparation of acid anhydride from carboxylic acid.

Important Questions on Carbonyl Compounds and Carboxylic Acids

HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Explain the use of radioactive isotopes in the study of the mechanism of photosynthesis in plants and the hydrolysis of esters.
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids

For the reaction below, the product is Q.

Question Image 

The compound Q is

MEDIUM
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Give suitable reaction to show that trans esterification is an alcoholysis reaction.
MEDIUM
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Acetic anhydride reacts with diethyl ether in the presence of anhydrous AlCl3 to give
MEDIUM
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Which of following elements does not form amide when reacted with ammonia?
EASY
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Which of the following is phenyl ethanote?
EASY
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
An anhydride R'COOCOR on reduction with LiAlH, will give
MEDIUM
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Benzamide can be converted into benzonitrile with
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
An organic compound A, C8H4O3, in dry benzene in the presence of anhydrous AlCl3 gives compound B. The compound B on treatment with PCl5, followed by reaction with H2/Pd/(BaSO4) gives compound C, which on reaction with hydrazine gives a cyclic compound D (C14H10N2). Find D.
EASY
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
The product of the following reaction is ;

CH3CH2NH2→CH3CO2O,Heat
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
H3CCH2CO2H34 P2O54 D  X34 H2O34  Y34 SOCI234   Z identify X, Y and Z
EASY
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
The product of the following reaction is ;

CH3CH2NH2→CH3CO2O,Heat
MEDIUM
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Which of the following will produce only one product on reduction with LiAlH4?
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Which of the following substances on treatment with P2O5 gives ethanenitrile ?
EASY
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Acetic anhydride is prepared in the laboratory by heating sodium acetate with
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids

Which of the following compounds react with aniline to give acetanilide.

Question Image

HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids

Identify A from the given set of reactions:

Question Image 

HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Maleic acid → ∼ 1 0 0 ∘ Δ X

Fumaric acid → ∼ 2 4 0 ∘ Δ Y

X and Y are respectively
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Predict product formed in the following reaction

Question Image
HARD
Chemistry>Organic Chemistry>Carbonyl Compounds and Carboxylic Acids>Functional Derivatives of Carboxylic Acids
Why acid anhydride are preferred to acyl chloride for carrying out acylation reactions?