19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which will not give acetamide on reaction with ammonia
Acetic anhydride reacts with excess of ammonia to form
Benzoyl chloride on treatment with ammonia gives
O O || || CH C Cl Nu CH C Nu Cl -> Reactivity order of different nucleophiles (NH2-, CH3COO-, OH-) is in order
H Pd/BaSO CH COCl CH CHO HCl; -> The above reaction is called
The decreasing order of reactivity of (i) CH3COCl (ii) CH3COOC2H5 (iii) CH3CONH2 (iv) (CH3CO)2O Towards nucleophilic acyl substitution is
Maximum keto-enol tautomerism is shown by
Reagents I and II given in the reactions are:
The product D of the reaction is
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their (NEET 2020)
Which reagent will bring about the conversion of carboxylic acids into esters
Heating a mixture of ethyl alcohol and acetic acid in presence of conc. H2SO4 produces a fruity smelling compound. This reaction is called
Two moles of acetic acid are heated with P2O5, The product formed is
An alkyl cyanide forms an amide when it is treated with
Acetyl chloride cannot be obtained by treating acetic acid with
Direct attachment of groups such as phenyl or vinyl to the carboxylic acid, increases the acidity of corresponding carboxylic acid because
Diborane easily reduce the functional group such as
The product formed during Hell-Volhard-Zelinsky reaction is (a) R CH COOH | X (b) R CH COX (c) X | R C COOH | X (d) R CH CH COOH | X
Select the incorrect match.
Aluminium chloride gets bonded to the carboxyl group. Identify ‘X’ and ‘Y’ for the above reaction. (a) (b) (c) (d) Ans. (d) Sol.
Which of the – COOH is lost during heating?
Alkali metal salts of carboxylic acids also undergo decarboxylation on electrolysis of their aqueous solutions and form hydrocarbons having twice the number of carbon atoms present in the alkyl group of the acid. The …
Why the aromatic carboxylic acids do not undergo Friedel-Crafts reaction?
Arrange the following acids in the decreasing order of the acidic strength. HC C COOH I ,C H COOH II , CH CH COOH III ,CH COOH IV Choose the correct option.
In a set of the given reactions, acetic acid yields a product C. CH COOH PCl A -> C H C H MgBr Anh.AlCl Ether A B C -> -> Product C would be (a) CH CH OH C H (b) C H | CH C OH C H (c) CH CH OH C H (d) CH COC H