Alkenes
Alkenes: Overview
This topic covers concepts such as Alkenes, Isomerism in Alkenes, Chain Isomerism in Alkenes, Position Isomerism in Alkenes, Geometrical Isomerism in Alkenes, Structure of Alkenes, Nomenclature of Alkenes, Hybridization in Alkenes, etc.
Important Questions on Alkenes
The number of stereoisomers obtained by reaction of cis-2-butene with bromine in the presence of water is:


Which of the following compound is formed on acid dehydration of ethanol?




Hydrogenation of the adjoining compound in the presence of poisoned palladium catalyst gives –

Which one of the following alkenes will react fastest with H2 under catalytic hydrogenation condition?

Which one of the following has the smallest heat of hydrogenation per mole of hydrogen gas?

The reagent(s) for the following conversion,
is/are

Cyclohexene is best prepared from cyclohexanol by which of the following?

Among the following compounds which can be dehydrated very easily is

The total number of products obtained by bromination of trans-2 butene is

Among the following, the molecule with the highest dipole moment is

Identify the set of reagents/ reaction conditions ('X' and 'Y') in the following set of transformations.


Ethene is passed into concentrated sulphuric acid to form ethyl hydrogensulphate.



