The standard reduction potentials at 295 K for the following half cells are given below:

The number of metal(s) which will be oxidised by in aqueous solution is .

Question

The standard reduction potentials at 295 K for the following half cells are given below:

The number of metal(s) which will be oxidised by  in aqueous solution is .

Canvas Classes · Accepted Answer

Strategy:
 A metal is oxidized by nitrate ions if the standard potential for the overall oxidation-reduction reaction is positive ().

Comparison Point:
Nitrate reduction potential .
Any metal with  will be oxidized.

Results:
1. V:  (< 0.97) ✓
2. Fe:  (< 0.97) ✓
3. Ag:  (< 0.97) ✓
4. Au:  ( 0.97) ✗

Total metals oxidized .

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