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Explain the following : (a) HCl is a c...

Explain the following :
(a) `HCl` is a covalent compound but it ionises in the solution.
(b) The molecule of `MgCl_(2)` is linear whereas that of `SnCl_(2)` is angular.

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MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Revision Exercises (Objective Questions)(Short Answer Questions)
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