Ncert Flashcards
Pbcl2 dil hcl
Pbcl2 cl- excess pbcl4-2 soluble
Heating pbcl2 soluble
Kcl h2s pbcl2 PBS red h2s excess PBS black
Zn+2 [ k4 fe(cn)6] further
K2zn3 [Fe(cn)6]2 further reach wont white
Mn+2 Na3BiO3
Bi+3 + Mno4- purple
Ni+2 Naoh citrate or tartrate
Precipitation won’t take place
Co+2 Kno2
K3[co(h2o)]6 yellow
Cr+3 na2co3
Cr(oh)3 precipitate
Al+3 nh3 /nh4oh excess nh3
Aloh3 white
No rxn
Fe cold dil hno3
Fe(no3)2 +nh4+
Cu+2 naoh
heating
Cu(oh2) blue precipitate
Cuo black
Bi+3 black conc hno3 / heating
Dil hno3/ heating
Bi2s3 black
H2s bicl3
S bi(no3)3
Hg+2 dil h2s
Na2s aqua regia
Hgs black
Hgs2-2 soluble
Aqua regia hgcl2 soluble +s white hno3 so4-2 ppt dissappear
Ag+ Na2hpo4
Ag3po4 yellow
Hg+2 2 Sn+2
Sn+4 hg black precipitate
Pb+2 h2s gives PBS
1)conc hno3
2) dil hno3
Pb(no3)2+s precipitate heating gives so4-2 +pb+2 gives pbso4 white
Pbno3 h2s gives s presp
Pb kI gives PbI2 colour prespitate
1) heating on slow cooling at room temperature
2) Ki
Colorless soluble needle shaped crystals pbI2 yellow
Yellow1
Pbi4-2 soluble
Pb+2
NH3 NH4OH
Nh3
H2s
PB(OH)2 PRESP
NH3 NO
PBS PRESP
Pb
NAOH
OH-
H2O2
S2O3-2
PB(OH)2 WHITE
pB(OH)4-2
PBO2 BLACK PRESPITATE
PBO2 PRESPITATE BLACK
Pb+2 K2CRO7
OH- BASIC
ACIDIC H+
PbCRO4 PRECIPIATE YELLOW
PB(OH)4]-2
PB+2 +CR2O7-2 SOLUBLE
PB+2 KCN
Pb(cn)2 presp white
Pb+2 na2co3
Heating
Gaseous product is precipitate vice versa for all cards
Pbco3 white + pb(oh)2 prsepitate
Pbo gaseous product yellow co2 prespiate
Pb+2 Na2so3
H+
Pbso3 white+
Pb+2 so2 gaseous product
Pb+2 Na2HpO4
Pb3(po4)2 precipitate white
Hg 2 +2 cu
Cu+2 Hg precipitate
