MCQOPTIONS
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MCQOPTIONS
| 1. |
What are the cathodic and anodic reactions respectively of a given Cu-Zn system? |
| A. | Cu==>Cu+2+2e and Zn+2+2e==>Zn |
| B. | Cu+2+2e==>Cu and Zn==>Zn+2+2e |
| C. | Cu==>Cu+2+2e and 2Zn+1+2e==>2Zn |
| D. | Cu+2+2e==>Cu and 2Zn==>2Zn+1+2e |
| Answer» C. Cu==>Cu+2+2e and 2Zn+1+2e==>2Zn | |