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                                    The correct order of increasing covalent character of the following isA. `SiCl_(4) lt AlCl_(3) lt CaCl_(2) lt KCl`B. `KCl lt CaCl_(2) lt AlCl_(3) lt SiCl_(4)`C. `Al Cl_(3) lt CaCl_(2) lt KCl lt SiCl_(4)`D. None of the above | 
                            
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Answer» Correct Answer - B En differene in `SiCl_(4)=3.0-1.8=1.2` in `AlCl_(3)=3.0-1.5=1.5` in `CaCl_(2)=3.0-1.0=2.0` and in `KCl=3.0-0.8=2.2` `:. KCl lt CaCl_(2) lt AlCl_(3) lt SiCl_(4)` This order is also obtained by applying fajans rule. i.e., caovalent character `prop` charge on ion.  | 
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