Moderate

Beryllium is placed above magnesium in Group II. Beryllium dust, therefore, when added to an MgCl₂ solution will:

Correct answer: A. Have no effect

  • A. Have no effect
  • B. Precipitate Mg metal
  • C. Precipitate MgO
  • D. Lead to dissolution of Be metal

Explanation

Reactivity in alkali earth metals generally increases down the group. Therefore, Magnesium is more reactive than Beryllium. A less reactive metal cannot displace a more reactive metal from its salt solution, so no reaction will occur.

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