An unknown compound A has a molecular formula `C_4H_6`. When A is treated with excess to `Br_2` a new substance B with formula `C_4H_6Br_4` is formed. A forms a white precipitate with ammoniacal silver nitrate solution A may

An unknown compound (A) has a molecular formula C_(4)H_(6) . When (A) is treated with excess of Br_(2) a new substance (B) with formula C_(4)H_(6)Br_(4) is formed. (A) forma a white ppt. with ammonical silver nitrate solution. (A) may be :

An unknown compound (A) has a molecular formula C_(4)H_(6) . When (A) is treated with excess of Br_(2) a new substance (B) with formula C_(4)H_(6)Br_(4) . Is formed (A) forms a white ppt. with ammonical silver nitrate solution. (A) may be,

A compound with molecular formula C_4H_6 may contain:

A gas decolourises Br_(2) in CCI_(4) and forms a precipitate with ammoniacal silver nitrate. The gas is