Which of the following not only decolourless alkaline potassium permagnete but also gives rest precipitate with ammoniacal cuprous chloridie solution?

Which of the following not only decolorises alkaline potassium permanganate but also gives red precipitate with ammoniacal cuprous chloride solution?

Which one of the following compounds, decolourises cold alkaline potassium permanganate solution?

A hydrocarbon with five carbon atoms in the molecule decolourises alkaline 'KMnO_4', but does not give precipitate with ammoniacal cuprous chloride solution. The hydrocarbon is, an alkene a haloalkene an alkyne an alkane

Which of the following gives a red precipitate with an ammoniacal solution of cuprous chloride ?

A gas decolourised by KMnO_(4) solution but gives no precipitate with ammoniacal cuprous chloride

Which of the following reacts with ammoniacal cuprous chloride?