A hydrocarbon X on treatment with `O_(3)` followed by the reduction of ozonide with `Zn-H_(2) O` gives Y,Y gives both. Tollent test as well yellow precipitate with `Na OH//I_(2)` solution. Which is a possible structure of X?

Propylene on ozonolysis with (O_(3)+Zn//H_(2)O) gives

Acetylene on ozonolysis with (O_(3)+Zn//H_(2)O) gives

on reductive ozonolysis [O_3//Zn//H_2O //Delta] gives :

Unknown compound (A) C_(5)H_(10)O gives positive test with 2,4-DNP but negative test with Tollen's reagent . It also give yellow precipitate with I_(2)//NaOH . (A) is :

Unknown compound (A) C_(5)H_(10)O give positive test with 2,4 - DNP but negative test with Tollen's reagent. It also give yellow precipitate with I_(2)//NaOH . (A) is :

Compound 'X' on heating with Zn dust gives compound 'Y' which on treatment with O_3 followed by reaction with Zn dust gives propionaldehyde. The structure of 'X' is

A hydrocarbon X with molecular fomula C_4 H_6 decolorizes bromine water and forms a white precipitate in ethanolic AgNO_3 solution. Treatment of X with HgCl_2 in aqueous H_2 SO_4 produces a compounds, which gives a yellow precipitate when treated with I_2 and NaOH. The structure of X is :