Question
Which metal could you use to reduce Cr3+ ions but not Mn2+ ions?
Which metal could you use to reduce ions but not ions?
Zn
Mg
Ni
Al
Which metal could you use to reduce ions but not ions?
Zn
Mg
Ni
Al
Answers
DrBob222
Look at the activity series of metals here and pick a metal below Mn but above Cr.
https://www.google.com/search?q=activity+series&ie=utf-8&oe=utf-8
The other part of your question makes no sense. Read it and see.
https://www.google.com/search?q=activity+series&ie=utf-8&oe=utf-8
The other part of your question makes no sense. Read it and see.
T
Ni
Steve
Zn