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The correct order of increasing covalent character of the following is:
A
SiCl₄ < AlCl₃ < CaCl₂ < KCl
B
KCl < CaCl₂ < AlCl₃ < SiCl₄
C
AlCl₃ < CaCl₂ < KCl < SiCl₄
D
None of these
Explanation
Covalent character increases according to Fajan's rule: KCl < CaCl₂ < AlCl₃ < SiCl₄.
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