Chemical Properties of Alkenes

The number of stereoisomers obtained by reaction of cis-2-butene with bromine in the presence of water is: 

Baeyer’s reagent is:

2-Phenylpropene on acidic hydration, gives:

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

Which of the following will decolourise alkaline ${\mathrm{KMnO}}_4$ solution?

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

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

Choose the expected product '$\mathrm{A}$' of the following reaction.

${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CH}={\mathrm{CH}}_2+{\mathrm{H}}_2\mathrm{O}\stackrel{{\mathrm{H}}^{+}}{\rightleftharpoons }\mathrm{A}$

The incorrect equation from the following:

An alkene on oxidative ozonolysis gives adipic acid. The alkene is

Select schemes $\mathrm{A}, \mathrm{B}, \mathrm{C},$ respectively, out of following

$\mathrm{I}$. Acid catalysed hydration
$\mathrm{II}$. Hydroboration oxidation
$\mathrm{III}$. Oxymercuration - demercuration

The correct structure of compound 'A' is

Ozonolysis of ethene gives which of the following compound?

The reaction of an alkene $\mathrm{X}$ with bromine produces a compound $\mathrm{Y}$, Which has $22.22\%\mathrm{C}, 3.71\%\mathrm{H}, 74.07\%\mathrm{Br}$. The ozonolysis of alkene $\mathrm{X}$ gives only one product. The alkene $\mathrm{X}$ is [Given : atomic mass of $\mathrm{C}=12; \mathrm{H}=1; \mathrm{Br}=80$]

Which reaction of ethanol will decolorize bromine water?

$\text{'}\mathrm{X}\text{'}$ and $\text{'}\mathrm{Y}\text{'}$ are optically active isomers having formula ${\mathrm{C}}_5{\mathrm{H}}_9\mathrm{Cl}.$ When treated with one mole of ${\mathrm{H}}_2,\mathrm{X}\text{'}$ gets converted to an optically inactive compound $\text{'}\mathrm{Z}\text{'},$ but $\text{'}\mathrm{Y}\text{'}$ gives an optically active compound $\text{'}\mathrm{P}\text{'}$ The structure of $\mathrm{X}$ and $\mathrm{Y}$ respectively are

The major product(s) formed in the following reaction sequence is(are):

$2, 3$-Dibromobutane $\frac{\begin{array}{c}\mathrm{i}) \mathrm{Zn}/\mathrm{Cu},\mathrm{\Delta }\\ \mathrm{ii}) {\mathrm{O}}_3\end{array}}{\mathrm{iii}) \mathrm{Zn}/{\mathrm{H}}_2\mathrm{O}} ?$

Identify the most suitable reagents (I) and (II) for the following sequence of reactions:

Identify the major product in the following reaction

Which of the following is the correct pair of intermediates responsible for the formation of $\mathrm{X}$ and $\mathrm{Y}$ as the major products, in their respective reactiros shown albove?