19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Propionic acid and KOH reacts to produce which one of the following?
In the anion HCOO– the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
In the reaction, PCl LiAlH alc.KOH CH COOH A B C -> -> -> the product C is :
SOCl LiAlH CH CH COOH A -> -> CH OH | CH OH B C -> is (a)
Benzoic acid with Ba(OH)2 gives
Sulphonation of benzoic acid produces mainly
The yield of ester in esterification can be increased by CH3CH2OH + CH3COOH ⇋ CH3COOCH2CH3 + H2O
CH3Br can be prepared by (a) CH COOAg Br -> (b) P/Br sodalime, CH COOH ->->
(a) (b) (c)
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)
Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore X and Y are respectively
Which of the following undergoes hydrolysis when dissolved in water
Silver benzoate reacts with bromine to form (a) (b) (c) (d)
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)
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 ?
The strongest acid amongst the following compounds is
Among the following the strongest acid is
Which is false in case of carboxylic acids?
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 has maximum value of equilibrium constant ? (a) CH COOH H O CH COO H O -> (b) HCOOH H O HCOO H O -> (c) C H COOH H O C H COO H O -> (d) CF COOH H O CF COO H O ->
The elimination of CO2 from a carboxylic acid is known as
Which of the following will not undergo Hell - volhard Zelinsky (HVZ) reaction ?
Treatment of benzoic acid with Cl2/FeCl3 will give
Among the following, the acid which undergoes fastest decarboxylation is (a) (b)
The principal organic product formed in the reaction ( ) Peroxide CH CH CH COOH HBr -> is: