When a mixture of methane and oxygen is passed over heated molybdenum oxide, the product obtained is ........ .

The reaction of $n$-butane with bromine in the presence of light at $725\,^oC$ yields ...................

Prepare the following products from methane $(CH_4)$: $(i)$ Methyl chloride,$(ii)$ Carbon black,$(iii)$ Carbon dioxide,$(iv)$ Methanol,$(v)$ Methanal,$(vi)$ Carbon monoxide,$(vii)$ Dihydrogen,$(viii)$ Methyl iodide,$(ix)$ Methyl bromide.

With which of the following substances does $CH_2N_2$ (diazomethane) react differently?

Which of the following alkanes cannot be made in good yield by the Wurtz reaction?

Assertion : $CH_4$ does not react with $Cl_2$ in dark.
Reason : Chlorination of $CH_4$ takes place in sunlight.