In the dichlorination reaction of propane,a mixture of products is obtained. How many isomers does the mixture contain?

Which of the following compounds is used in antiknock compositions to prevent the deposition of lead oxides on spark plugs,combustion chambers,and exhaust pipes?

Given below are two statements $:$
Statement $(I) :$ Neopentane forms only one monosubstituted derivative.
Statement $(II) :$ Melting point of neopentane is higher than $n-$pentane.
In the light of the above statements,choose the most appropriate answer from the options given below $:$

The major product in the following reaction is:

Which compound in the following will give only one mono-chlorination product in the presence of light?

$A$ liquid hydrocarbon can be converted to a gaseous hydrocarbon by: