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Q.

Magnesium chloride $(MgC l_{2})$ , the valency of magnesium is

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a

1

b

2

c

3

d

4

answer is B.

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Detailed Solution

An element combining capacity with another element is called valency. Here, Mg atom bonding with two Cl atoms. So, the valency of Mg is 2.

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Magnesium chloride (MgCl2) , the valency of magnesium is