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Q.

Which of the following is correctly written for magnesium chloride?

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a

Mg {Cl}_{2}

b

MgCl

c

{Mg}_{2} Cl

d

None of these

answer is A.

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Detailed Solution

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MgC l_{2}

is correctly written for magnesium chloride.
The electronic configuration of magnesium is 2,8,2 and belongs to group 2 element, and this group has valency 2. The electronic configuration of the Chlorine is 2,8,7 the valency of chlorine is 1. Therefore, the chemical formula for the magnesium chloride is

MgC l_{2}

.

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Which of the following is correctly written for magnesium chloride?