Element X forms a chloride with the formula XCl₄ which is a solid with low melting point. X would most likely be in the same group of the periodic table as:

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Sodium (Na)

Magnesium (Mg)

Aluminium (Al)

Silicon (si)

answer is D.

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Detailed Solution

Element X, which forms a chloride with the formula XCl4 and is a solid with a low melting point, would most likely be in the same group of the periodic table as Silicon (Si).

In the modern periodic table, Silicon (Si) is in Group 14, which is the same group as carbon (C), germanium (Ge), tin (Sn), and lead (Pb). These elements tend to form compounds with a tetrahedral arrangement, and their chlorides have the formula MCl4, where M represents the element.

Since XCl₄ is a chloride of element X, and it has a low melting point, it is likely to be a covalent compound with a tetrahedral structure. Silicon (Si) also forms a chloride with the formula SiCl₄, which fits the given description. Therefore, X is likely in Group 14, the same group as Silicon.

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