Starter

o Determine according to the sodium chloride solution?

o Write the reaction in ionic form.o Берілген номерленген ерітінділерден

натрий хлоридін анықтаңыз.o Реакцияның иондық түрін жазыңыз

Галоидтарды сапалық анықтау.

• Сабақ мақсаты: галоид иондарды күміс нитраты және

аммиак ерітіндісін қолдана отырып анықтау

be able to identify halide ions using silver nitrate and ammonia solution

Кілтті сөздер

Эксперимент

• Инструкциямен жұмыс• work instruction

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq)

Cl–(aq)

Br–(aq)

I–(aq)

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)

Br–(aq)

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Br–(aq)

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

Insoluble

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

Insoluble

Soluble

AgBr(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Br–(aq)

I–(aq)

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

Insoluble

Soluble

AgBr(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Br–(aq)

I–(aq)Ag+(aq) + I–(aq) → AgI(s)

yellow ppt

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

Insoluble

Soluble

AgBr(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Br–(aq)

I–(aq)Ag+(aq) + I–(aq) → AgI(s)

yellow pptInsoluble

© www.chemsheets.co.uk AS 039 10-Jul-12

Halide ion

Action of AgNO3(aq) Action of dilute NH3(aq) Action of conc. NH3(aq)

F–(aq) No precipitate

Cl–(aq)Ag+(aq) + Cl–(aq) → AgCl(s) white ppt

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Soluble

AgCl(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Cl–(aq)

Br–(aq)Ag+(aq) + Br–(aq) → AgBr(s) cream ppt

Insoluble

Soluble

AgBr(s) + 2 NH3(aq) →

[Ag(NH3)2]+(aq) + Br–(aq)

I–(aq)Ag+(aq) + I–(aq) → AgI(s)

yellow pptInsoluble Insoluble

plenary• А,В,С пробиркаларында қандай

галойд ерітіндісі бар?• Identify the halide – a, в or c.