MCQOPTIONS
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MCQOPTIONS
| 1. |
The Zn acts as sacrificial or cathodic protection to prevent rusting of iron because: |
| A. | \[{{E}^{{}^\circ }}_{OP}\,\text{of }Zn<{{E}^{{}^\circ }}_{OP}\text{of}\,Fe\] |
| B. | \[{{E}^{{}^\circ }}_{OP}\,\text{of}\,Zn>{{E}^{{}^\circ }}_{OP}\,\text{of}\,Fe\] |
| C. | \[{{E}^{{}^\circ }}_{OP}\text{of}\,Zn={{E}^{{}^\circ }}_{OP}\,\text{of}\,Fe\] |
| D. | Zn is cheaper than iron |
| Answer» C. \[{{E}^{{}^\circ }}_{OP}\text{of}\,Zn={{E}^{{}^\circ }}_{OP}\,\text{of}\,Fe\] | |