19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Propanoic acid or its sodium salt can be converted into alkanes by reduction with HI/red P or decarboxylation reaction or kolbe’s electrolysis. Which of the following alkanes is not formed in any of these reactions ?
Which is false in case of carboxylic acids?
Among the following the strongest acid is
The strongest acid amongst the following compounds is
Consider the acidity of the carboxylic acids : (i) C6H5COOH (ii) o–NO2C6H4COOH (iii) p–NO2C6H4COOH (iv) m–NO2C6H4COOH Which of the following order is correct ?
What will be the product, when carboxy phenol, obtained by Reimer-Tiemann’s process, is deoxidised with Zn-powder? (a) (b) (a) (b) (c) (d)
Silver benzoate reacts with bromine to form (a) (b) (c) (d)
Which of the following undergoes hydrolysis when dissolved in water
Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore X and Y are respectively
An optically active compound ‘X’ has molecular formula C4H8O3. It evolves CO2 with aq. NaHCO3. ‘X’ reacts with LiAlH4 to give an achiral compound. ‘X’ is (a) (b) (c) (d)
(a) (b) (c)
CH3Br can be prepared by (a) CH COOAg Br -> (b) P/Br sodalime, CH COOH ->->
The yield of ester in esterification can be increased by CH3CH2OH + CH3COOH ⇋ CH3COOCH2CH3 + H2O
Sulphonation of benzoic acid produces mainly
Benzoic acid with Ba(OH)2 gives
SOCl LiAlH CH CH COOH A -> -> CH OH | CH OH B C -> is (a)
In the reaction, PCl LiAlH alc.KOH CH COOH A B C -> -> -> the product C is :
In the anion HCOO– the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
Propionic acid and KOH reacts to produce which one of the following?
Name the end product in the following series of reactions Carboxylic Acid and Its Derivatives NH P O CH COOH A B -> ->
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
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.
Why the aromatic carboxylic acids do not undergo Friedel-Crafts reaction?
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 …
Which of the – COOH is lost during heating?