19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
2-methyl butane on reacting with bromine in the presence of sunlight gives mainly
Eclipsed and the staggered conformations can be represented by
The repulsive interaction between the electron clouds, which affects stability of a conformation is termed as
The staggered form has the ...A... torsional strain and the eclipsed form has ...B... torsional strain. Here, A and B refer to
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
Select the structure of the major product formed in the reaction (a) (b) (c) (d)
Br will abstract which of the hydrogen most readily.
and π bonds are obtained by ...A... and ...B... overlapping of orbitals. Here, A and B refer to
Strength of the double bond is ...A.,. than that of C—C single bond. Here, A refers to
But-1-ene and 2-methylprop-l-ene are the examples of
But-1-ene and but-2-ene are the examples of
Consider the following compounds, Choose the correct statement(s) regarding the above organic compounds.
The number of structural and configurational isomers of a bromo compound, C5H9Br, formed by the addition of HBr to 2-pentyne respectively, are
Which of the following is the major product when 1-butanol is heated with concentrated H2SO4?
Conc.H SO ->Major product: (a) (b) (c)
When 2-butyne is treated with H2 in presence of Pd-BaSO4; the product formed will be
Cyclohexene is best prepared from cyclohexanol by which of the following?
Elimination of bromine from 2-bromobutane results in the formation of
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
2-Hexyne gives trans-2-hexene on treatment with
What are the products of dehydrohalogenation of 2- iodopentane ?
In the reactions, Na/NH Lindlar catalyst + H B RC CR A -> A and B are geometrical isomers. Then
Alkenes are insoluble in water but fairly soluble in
Straight chain alkenes have ...A... boiling point than isomeric branched chain compounds. Here, A refers to
Alkene + H2O H -> Alcohol Which of the following statements about this reaction is correct ?