19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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?
In a protein molecule various amino acids are linked together by (NEET-I 2016)
The central dogma of molecular genetics states that the genetic information flows from (NEET-II 2016)
The correct statement regarding RNA and DNA, respectively is (NEET-I 2016)
Which of the following statements is not correct? (NEET 2017)
On hydrolysis of starch, we finally get (JIPMER 2017)
The difference between amylose and amylopectin is (NEET 2018)
Which of the following compounds can form a zwitter ion? (NEET 2018)
Which of the following represents the correct structure of cellulose? (AIPMT 2018)
The non-essential amino acid among the following is (NEET 2019)
Which structure(s) of proteins remain(s) intact during denaturation process? (Odisha NEET 2019)