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Beryllium is placed above magnesium in the second group. Beryllium dust, therefore, when added to `MgCl_2` solution will
A. |
Have no effect |
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B. |
Precipitate Mg metal |
C. |
Precipitate MgO |
D. |
Lead to dissolution of Be metal |
No doubt Be is placed above Mg in the second group of periodic table but it is below Mg in electrochemical series.