$CH_3-CH_2-COO^{-} Na^{+} \xrightarrow[\Delta]{NaOH + ?} CH_3-CH_3 + Na_2CO_3$. Consider the above reaction and identify the missing reagent/chemical.

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 $:$

Of the five isomeric hexanes,the isomer which can give two monochlorinated compounds is

Which of the following alkanes is used for road surfacing?

Which metal is used in Wurtz synthesis?

Of the $5$ isomeric hexanes,the isomer which can give $2$ monochlorinated compounds is