What is X in the following sequence of reactions?
XNa−−−→−12H2ZNaOH/CaO−−−−−−−→CH4
Methane
Ethanoic acid
Propane
None of these
CH3COOHNa−−−→−12H2CH3COONaNaOH/CaO−−−−−−−−−−→DecarboxytationCH4+Na2CO3
XNa−−−→−12H2ZNaOH/CaO−−−−−−−→CH4