kelbear1 kelbear1

20-02-2018
Chemistry

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Based on the activity series, which metals could X represent in the reaction below? (Note: The equation is not balanced.)
X + MgSO4 —> Mg + XSO4
A) Sr
B) Al
C) Sn
D) Au

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Dejanras Dejanras

20-02-2018

Answer is: A) Sr (strontium).
The reactivity series is a series of metals from highest to lowest reactivity. Metal higher in the reactivity series will displace another.
Strontium is only higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.

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