Tests for nickel and cobalt ions (group IV)
Both give black sulphides; distinguish Ni²⁺ (red with DMG) from Co²⁺ (blue with conc. HCl).
About this experiment
| Subject | Chemistry |
|---|---|
| Class | 12 |
| Unit | 11. Salt Analysis (Lab Manual) |
| Level | NCERT level |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the chemistry behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: chemistry · Salt Analysis (Lab Manual)