A,B and C are three unsaturated compounds. A and C only can declourise Bayer's reagent. Only 'A' can give precipitate with tollens reagent
A B C
C2H2 C6H6 C2H4
C2H4 C6H6 C2H2
C6H6 C2H4 C2H2
C2H6 C6H6 C2H4
Benzene does not decolourise Bayers reagent & A has acidic hydrogen
What is the empirical formula of C2H2 and C6H6?