Which of the following compounds is most reactive to an aqueous solution of sodium carbonate ?




As we learnt ,
Aromatization -
n - alkane having six or more then six carbon atoms on heating to 773 K at 10 to 20 atmospheric pressure in the presence of oxides of vanadium molybdenum or chromium supported over a lumina get dehydrogenated and cyclised to benzene and cyclised to benzene and its homologes
- wherein
Na2CO3 acts as base and takes acidic hydrogen .
In
there is an acidic hydrogen abstraction of which results into stabilized aromatic ion.

Option 1)

Option 2)

Option 3)

Option 4)

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