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Element X forms a chloride with the form...

Element X forms a chloride with the formula `XCI_2` which is a solid with a high melting point. X would most likely be in the same group of the periodic table as

A

Na

B

Mg

C

Al

D

Si

Text Solution

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The correct Answer is:
B
b] Since element X forms a chloride with the formula XCI, valency of element X is 2. Out of the given elements - Na, Mg, Al, and Si, element Mg has a valency of 2. Since elements having same valency lie in the same group, element X would most likely be in the same group of the periodic table as Mg.
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