MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following reaction takes place at cathode in high temperature fuel cell using coal? |
| A. | ( frac{1}{2} ) O<sub>2</sub>+ CO<sub>2</sub>+ 2e<sup> </sup> CO<sub>3</sub><sup>-2</sup> |
| B. | C+2CO<sub>3</sub><sup>-2</sup> 3CO<sub>2</sub>+ 4e<sup> </sup> |
| C. | CO+CO<sub>3</sub><sup>-2</sup> 2CO<sub>2</sub>+ 2e<sup> </sup> |
| D. | H<sub>2</sub>+ CO<sub>3</sub><sup>-2</sup> H<sub>2</sub> O+CO<sub>2</sub>+ 2e<sup> </sup> |
| Answer» B. C+2CO<sub>3</sub><sup>-2</sup> 3CO<sub>2</sub>+ 4e<sup> </sup> | |