19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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 :
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
Elimination of bromine from 2-bromobutane results in the formation of
Cyclohexene is best prepared from cyclohexanol by which of the following?
When 2-butyne is treated with H2 in presence of Pd-BaSO4; the product formed will be
Conc.H SO ->Major product: (a) (b) (c)
Which of the following is the major product when 1-butanol is heated with concentrated H2SO4?
The number of structural and configurational isomers of a bromo compound, C5H9Br, formed by the addition of HBr to 2-pentyne respectively, are
Consider the following compounds, Choose the correct statement(s) regarding the above organic compounds.
But-1-ene and but-2-ene are the examples of
But-1-ene and 2-methylprop-l-ene are the examples of
Strength of the double bond is ...A.,. than that of C—C single bond. Here, A refers to
and π bonds are obtained by ...A... and ...B... overlapping of orbitals. Here, A and B refer to
Br will abstract which of the hydrogen most readily.
Select the structure of the major product formed in the reaction (a) (b) (c) (d)
n-octane when heated to 773 K under a pressure of 10- 20 atm and in presence of a mixture of Cr O , V O and Mo O supported over Al O as catalyst, gives