The correct order of equivalent conductance at infinite dilution of LiCl, NaCl and KCl is
LiCl > NaCl > KCl
KCl > NaCl > LiCl
NaCl > KCl > LiCl
LiCl > KCl > NaCl
As size of cation increases degree of hydration decreases and size of hydratedradii is less. Ionic mobility is more. Equivalent conductance increases.