How to remember the colours of the reactant and product in chemical reactions. 

Asked by lk.26111970 | 3rd Feb, 2019, 04:56: PM

Expert Answer:

 
There are certain metal salts which give colour as follows:
 
Metal Ion  colour
Co2+ Pink
Cu2+ Blue-green
Fe2+ olive green
Ni2+ bright green
Cr3+ Violet
Mn2+ pale pink

Answered by Ramandeep | 5th Feb, 2019, 04:18: PM