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Q.

Beryllium is placed above magnesium in the II group. When beryllium dust is added to MgCl₂solution, will

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a

Have no effect

b

Precipitate MgO

c

Precipitate Mg metal

d

Lead to dissolution of Be metal

answer is A.

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Detailed Solution

Be is above Mg in a periodic table but it is below Mg in the electrochemical series.

So, Be is less reactive than Mg and there is no effect in the solution.

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