cations 2
Terms
undefined, object
copy deck
- Pb+2
- dil HCl --> white ppt
- Cu
- dil HCl + H2S --> black ppt
- Al+3
- NH4Cl + NH4OH --> white gel
- Zn+2
- NH4+Cl + NH4OH + H2s --> white pt
- Mn+2
- NH4+Cl + NH4OH + H2s --> flesh ppta
- Ca+2
- NH4Cl + NH4OH + (NH4)2 SO4 --> white crystal - red flame
- Ba+2
- NH4Cl + NH4OH + (NH4)2 SO4 --> white crystal - green flame
- Na
- equ volume Potassaium peroxilate + scratch --> white crstal
- K
- picric acid + scratch = yellow crystals (pink flame)
- NH4
- NaOH boiled with salt --> stench