19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following will decolorise alkaline KMnO4 solution?
Which compound will yield 5-keto-2-methyl hexanal upon treatment with O3? (a) (b) (c) (d)
An alkene on vigorous oxidation with KMnO4 gives only acetic acid. The alkene is
Peroxide H C CH CH HCl ->Product, the intermediate of reaction is : (a) CH CH CH (b) CH CH CH (c) CH CH CH (d) CH CH CH
Reaction of HBr with propene in the presence of peroxide gives
One mole of alkene X on ozonolysis gave one mole of acetaldehyde and one mole of acetone. The IUPAC name of X is
An organic compound C4H6 on ozonolysis gives HCHO, CO2, CH3CHO. Compound will be :
Hydrocarbons are classified depending upon the types of ...A... bonds present. Here, A refers to
In the following reaction, A and B, respectively are
Anti-Markownikoff’s rule addition reaction is not observed in
Alkene + H2O H -> Alcohol Which of the following statements about this reaction is correct ?
Straight chain alkenes have ...A... boiling point than isomeric branched chain compounds. Here, A refers to
Alkenes are insoluble in water but fairly soluble in
In the reactions, Na/NH Lindlar catalyst + H B RC CR A -> A and B are geometrical isomers. Then
What are the products of dehydrohalogenation of 2- iodopentane ?
2-Hexyne gives trans-2-hexene on treatment with
When 2-chloro-2-methylbutane is heated with alcoholic KOH, the possible product/s is/are (i) (CH3)2 C=CHCH3 (ii) CH2=C(CH3)CH2CH3 (iii) (CH3)2CHCH=CH2
The repulsive interaction between the electron clouds, which affects stability of a conformation is termed as
Eclipsed and the staggered conformations can be represented by
2-methyl butane on reacting with bromine in the presence of sunlight gives mainly
On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is
When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is
When cyclohexane is poured on water, it floats, because
The highest boiling point is expected for
Which of the following has the lowest boiling point ?