Biology digital notes for highschool students. Easy to read and understand illustrative notes. Detailed explanation of every topic. Reading of this document is tough for understanding the important concepts of the topic
, Question among the following which is soluble in water?
AgU HgUz PbUz
Agf
HgFz HgUz HgBr Hg I
PbFz PbU2 PbBez PbIz
AgNOz + Nall
AgU (ppt + NaNOs-
Pb NOs)c + 2 KU PbUz + 2
KNOz Irreversible
Hg NOs)2 + CHU
HgClz + 2 HNOs-
Group ll
Group
reagent: H2S
A
24 9 Ei PUDIGTT &Tcd (in presence
+2 of HCl)
Bits
Hgt
2
Cut
+
Pb (d
CuSppt BizSsppt HgS ppt PbS ppt CdSppt
B
·
211 E 212
#d
+ 4+ + 3 +S
Sp2 As Sb
+3 + S
SnS2 ,
SnS ; As233 ; As235 ; ppt
, Cull2 + NazS CUS ppt + 2Nal-
Hg(NO3)2 + HaS
HgS ppt + 2 HNOs Irreversible
2Bi (NOs)3 + 3 NazS BizSs ppt +
6NaNOs-
Group lll
Wit d d2 Group reagent:
+3 +3
(p
+3 NH4OH (in
f Al
presence of dol
HCL)
Fe(OH) s ppt AlOH
, ppt CrOH , ppt
FeClz + 3 NaOH >
Fe(OH) 3 ppt + 3 NaH
CrUz + 3 NHyOH G(OH) 3 ppt + 3
NHiCe Irreversible
Ag (Nos) + 3 NaOH Al(OH) ppt +
3
3 NaNOs-
3
Group lV
Group reagent:
H2S gas (in
Poldhad presence of
2+ + NH4OH)
Nit2 Cot2 Mu In 2
NiS ppt CoS MnS ppt In
ppt Sppt
2 Nall-
NiCk2 NaaS NiSppt
+ > +
Irreversible
Co(NOs)3 +
HaS >
CoSppt +
2 HNOs -
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