In the series, ethane, ethene and ethyne, the C-H bond energy is

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure.

The correct order of their boiling point is

The total number of monohalogenated organic products in the following (including stereoisomers) reaction is

$$\begin{gathered} \underset{(\mathrm{Simplest} \mathrm{optically} \\ \mathrm{active} \mathrm{alkene})}{\mathrm{A}} \underset{\left(\mathrm{ii}\right) {\mathrm{X}}_2/∆}{\overset{\left(\mathrm{i}\right) {\mathrm{H}}_2/\mathrm{Ni}/∆}{\to }} \end{gathered}$$

Which of the following is a free radical substitution reaction?

Which hydrogen in compound $\left(E\right)$ is easily replaceable during bromination reaction in presence of light ?

Identify the decreasing order of boiling point of alkanes

(i) $\mathrm{n}$-pentane

(ii) Isopentane

(iii) Neopentane