Which compound does not give precipitate with ammonical silver nitrate solution ?

A hydrocarbon containing 2 carbon atoms give Sabatier and Senderen's reaction but does not give precipitate with ammoniacal silver nitrate solution. The hydrocarbon in question is:

The hydrocarbon which decolorizes alkaline KMnO_4 solution but does not give any precipitate with ammoniacal silver nitrate solution is

Among the following compounds , the one which would not form a white precipitate with ammonical silver nitrate solution is

Which of the following will not give white precipitate with ammoniacal silver nitrate solution ?

Which of the following will not give white precipitate with ammoniacal silver nitrate solution ?