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Element X forms a chloride with the formula \( XCl_2, \) which is solid with a high melting point. X would most likely to be in the same group of the periodic table as

  • (a) Na
  • (b) Mg
  • (c) Al
  • (d) Si


Answer :

(B) Since elementX forms a chloride XCl2,so valency of X is 2.Now out of all, the valency 2is mg

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