how is magnesium chloride formed by the transfer of electrons? Why does the solution of magnesium chloride conduct electricity ?
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Magnesium Chloride (MgCl₂) is an ionic compound of Magnesium and Chlorine.
Magnesium belongs to group 2 of the modern periodic table and hence, it has two valance electrons and a valency of +2.
Chlorine belongs to the halogen group (group 17) of the modern periodic table and hence, it has a valency of -1.
By criss cross method, the formula comes out to be MgCl₂.
The formation of MgCl₂ is shown in the attachment.
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An aqueous solution of MgCl₂ conducts electricity in water because ionic compounds ionize, ie, break into ions in water.
These ions carry charge and hence, electric current.
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