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Question

Magnesium chloride is an ionic compound formed by magnesium and chloride ions. The overall charge on its molecule will be _____.

A
-1
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B
+1
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C
+ 2
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D
0
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Solution

The correct option is D 0
Molecules of ionic compounds are electrically neutral because they are made up of equal number of oppositely charged ions.

Magnesium chloride (MgCl2) has one magnesium (Mg2+) ion and two chloride (Cl) ions. Hence, the overall charge gets balanced out.

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