19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Ethanoic acid is prepared commercially from
In the following reaction sequence. Dil. /Pyridine H SO CuCN K K C H Br X Y -> -> The product Y is
Acetic acid is obtained when
Hydrolysis of hydrogen cyanide results in the formation of
The acid (D) obtained through the following sequence of reactions is H O Br Alc.KOH KCN CCl excess C H Br A B C D -> -> -> ->
Hydrolysis of acetamide produces
When benzyl alcohol is oxidised with KMnO4, the product obtained is
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is
p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form the compound B. The latter, on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxy…
CH3COOH is formed by hydrolysis of
For the following reaction.
In which case yield of the carboxylic acid is maximum? (a) H O KCN,DMSO CH CH CH CH Br ->-> (b) (c)
In which cases RCO2H is not the product? H O OH SnCl /HCl DIBAL LiAlH : RCN :RCN : RCN : RCN : RCN -> -> -> -> -> I II III IV V
Which of the following compounds will react with NaHCO3 solution to give sodium salt and carbon dioxide
The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
Which of the following has the highest boiling point?
The carboxylic acid which has maximum solubility in water is
Select correct statement (s) :
Carboxylic acids exist as … in the vapour phase or in the aprotic solvents. Fill in the blank with best suitable word.
Higher carboxylic acids are insoluble in water due to (a) increased hydrophobic interaction of the hydrocarbon part
Benzoic acid is nearly insoluble in cold water. Carboxylic acids are soluble in less polar organic solvents like benzene, ether, alcohol, chloroform. The above statement is
Carboxylic acids have higher boiling point due to presence of …. Fill in the blank with best suitable word.
The weakest acid among the following is
Which acid is strongest or Which is most acidic
Which of the following is the weakest acid (a)