Which isomer of hexane gives only two monochlorinated products?

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

Carbon black,which is used in making printer's ink,is obtained by decomposition of

The reaction of propane with bromine in the presence of $UV$ light predominantly forms

What is the difference among complete combustion,incomplete combustion,and controlled combustion of alkanes?

Which of the following compounds is not obtained when a mixture of $CH_3Br$ and $C_2H_5Br$ is treated with sodium metal in the presence of dry ether?