The correct options are
A Ethane
B Methane
C Acetone
D ethanol
Acetic acid can be converted to ethane by electrolysis of conc, aqueous solution of sodium or potassium salt.
Acetic acid can be converted to sodium salt which on heating undergoes decarboxylation to form methane.
Acetic acid can be converted to calcium salt and dry distilled to obtain acetone.
Acetic acid can be reduced with lithium aluminum hydride to obtain ethanol.