The molar conductivity of 1 M HCl is greater than 1 M NaCl at a particular temperature. This is due to :
(1) molar mass of HCl<molar mass of NaCl
(2) ionic mobility of H+>ionic mobility of Na+
(3) HCl being an acid has lower pH
(4) degree of ionisation of HCl>degree of ionisation of NaCl