Which among the following will give a precipitate with ammoniacal silver nitrate?

Question

Which among the following will give a precipitate with ammoniacal silver nitrate? (A) 2-butene (B) 2-butyne (C) Chlorobenzene (D) 3-methyl-1-butyne

Tardigrade Admin · Accepted Answer

C2H2 and all 1-alkynes give white precipitate with ammoniacal silver nitrate, therefore 3-methyl-1-butyne will give a white precipitate with ammoniacal silver nitrate. CH3- undersetCH3 mathop underset mathbf| mathopCH -C≡ CH xrightarrow[AgNO3]NH4OH underset textwhite textppt mathopCH3- undersetCH3 mathop underset mathbf| mathopCH -C≡ CAg downarrow

Q. Which among the following will give a precipitate with ammoniacal silver nitrate?

2-butene

2-butyne

Chlorobenzene

3-methyl-1-butyne

C2​H2​ and all 1-alkynes give white precipitate with ammoniacal silver nitrate, therefore 3-methyl-1-butyne will give a white precipitate with ammoniacal silver nitrate. CH3​−CH3​∣CH​​−C≡CHNH4​OHAgNO3​​ whitepptCH3​−CH3​∣CH​​−C≡CAg↓​