Page 16 - FLLIP BOOK ANALISIS KATION GO. I DAN II

SKEMA ANALISIS PEMISAHAN KATION GOLONGAN II

2+
3+
2+
, Sn , Sb , Sb , (Pb )
Cu , Bi , Cd , Hg 2+ 2+ 3+ 5+ 2+
H 2O 2 (1)
2+
2+
2+
3+
3+
5+
2+
2+
Cu , Bi , Cd , Hg , Sn , Sb , Sb , (Pb )

HCl, tioacetamida (2)
CuS, Bi 2S 3, CdS, PbS, HgS, SnS 2, Sb 2S 3, Sb 2S 5

NaOH (3)

CuS, Bi 2S 3, CdS, PbS, HgS

HNO 3 (4)

3+
2+
2+
2+
HgS Cu , Bi , Cd , Pb
HNO 3 , HCl (11) NH 3 (5)
HgCl 4 2-

2+
2+
Bi(OH) 3, garam Pb Cu(NH 3) 4 , Cd(NH 3) 4 , biru
KI Cu (12)
HCl (6)
HgI 2 HgI Na 2S 2O 4 (9)
oranye mengkilap
PbCl 2 Bi 3+ Cu 2+
coklat Cd(NH 3) 4
-
2-
Sn(OH) 6 , Sb(OH) 4 NaC 2H 3O H 2O tioacetamida
BiOCl, putih CdS, kuning
HCl (13) Pb(C 2H 3O 2) 2
2
SnS 2, Sb 2S 3 H 2SO 4 (8) NaOH, SnCl 2 (7)

HCl (14) PbSO 4, putih
Bi, hitam
2- 3-
SnCl 6 , SbCl 6

Al (15)
Sn 2+ Sb 2S 3, merah - oranye

HgCl 2 (15)
Hg 2Cl 2, putih, Hg hitam

Gambar 2.2. Skema Analisis Pemisahan Kation Golongan II