$A$ gas formed by the action of alcoholic $KOH$ on ethyl iodide,decolorises alkaline $KMnO_4$ solution. The gas is

The formation of isopropyl chloride from the reaction between propene and $HCl$ is based on which of the following?

The bond angle in ethylene is $............$ $^o$.

Write the major product of the following reaction: $Ph-CH_2-CH=CH_2 \xrightarrow{HBr, \text{Peroxide}}$

Which of the following has the maximum heat of hydrogenation?

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