MCQOPTIONS
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| 1. |
The correct sequence of elements in decreasing order of first ionisation energy is [MP PET 1997] |
| A. | \[Na>Mg>Al\] |
| B. | \[Mg>Na>Al\] |
| C. | \[Al>Mg>Na\] |
| D. | \[Mg>Al>Na\] |
| Answer» E. | |