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Question: Answered & Verified by Expert
Some of the Group 2 metal halides are covalent and soluble in organic solvents. Among the following metal halides, the one which is soluble in ethanol is
Chemistrys Block Elements
Options:
  • A
    $\mathrm{BeCl}_2$
  • B
    $\mathrm{MgCl}_2$
  • C
    $\mathrm{CaCl}_2$
  • D
    $\mathrm{SrCl}_2$
Solution:
2946 Upvotes Verified Answer
The correct answer is:
$\mathrm{BeCl}_2$
Ethanol is a covalent compound and only a compound which has more covalent character can be dissolved in it. Also the group ionic character increases and beryllium halide have covalent character due to its small size and high effective nuclear charge. Hence, among the given halides, $\mathrm{BeCl}_2$ can be soluble in ethanol.

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