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Which of the following represents redo r...

Which of the following represents redo reactions ?
I. `Cr _(2) O _(7) ^(2-) + 2 overset(Theta) (O)H to 2 C r O _(4) ^(2-) + H _(2) O`
II.`Zn + Cu So _(4) to Zn SO _(4) + Cu`
III.`2 MnO _(4) ^(Theta) + 3 Mn ^(2+) + 4 overset(Theta) (O) H to 5 Mn O _(2) + 2 H _(2)O`
IV. `2 Cu overset(Theta) to Cu +Cu ^(2+)`

A

I, II

B

I,III,

C

III,IV

D

II,III,

Text Solution

Verified by Experts

The correct Answer is:
D
II, II and IV are redox reactions.
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