Identify the products obtained in the ozonolysis of propene.

The number of hydrogen atoms which can participate in hyperconjugation in $Y$ is
$CH_3CH_2COCH_3$ $\xrightarrow{LiAlH_4} X$ $\xrightarrow{conc. H_2SO_4, \Delta} Y \text{ (Major)}$

Catalytic hydrogenation of an optically active hydrocarbon $(X)$ yields an optically inactive compound $(Y), C_6H_{14}$. What is the hydrocarbon $(X)$?

Which type of bond exists between the two carbon atoms of an alkene?

Which reaction is known as Kharash reaction?

$A$ hydrocarbon containing $2$ carbon atoms gives Sabatier and Senderen's reaction but does not give a precipitate with ammoniacal silver nitrate solution. The hydrocarbon is: