An ammoniacal solution of cuprous chloride `(CuCl)` absorbs

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

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

What happens when propyne is passed through an ammonical solution of cuprous chloride.

You are provided with two organic compounds having the molecular formula 'C_4 H_6' which are position isomers of each other. You are also supplied with ammoniacal solution of cuprous chloride. How will you identify the compounds?

A dihalogen derivative (A) of a hydrocarbon having two carbon atoms reacts with alcoholic potash and forms another hydrocarbon which gives a red precipitate with ammoniacal solution of cuprous chloride. Compound ‘A' gives an aldehyde when treated with aqueous KOH. Write down the name and formula of the compound.

You are provided with two organic compounds'A and 'B' having the molecular formula 'C_4 H_6', which are position isomers of each other. Your are also supplied with ammoniacal solution of cuprous chloride. How will you identify 'A' and 'B ?'

The colour of cuprous chloride is -

Ethyne gives ____ precipitate with ammoniacal solution of copper (I) chloride. (red/blue)

Ammonical CuCl absorbs :