Asked by Alan

What is the colour of:
1. Cu+
2. Cu2+
3. Cu3+?
Answered by DrBob222
Copper(I) is diamagnetic; therefore, the ion is expected to be colorless unless due to other factors than unpaired electrons(e.g. to the anion). Copper(II) compounds are blue to green, to turquoise. Binary compounds of copper(III) are not common.
Answered by Abdullah
What is a daniel cell?
Answered by Maria
Daniel cell is a primary cell which cannot supply steady current for a long time. Daniel cell produces an emf of 1.08 volt.
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