MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryChemical BondingPrevious Year Questions

Least ionized salt is (RPMT 2007)

A.KCl

B.AgCl✓ Correct

C.MgCl2

D.CaCl2

Explanation

AgCl is least ionized because of pseudo inert gas configuration (that is 18 electrons in their outermost shell) that bring about more polarization than cations having Noble gas configuration. So, according to Fajan's rule it will be least ionized.

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