CUET Preparation Today
CUET
Chemistry
Physical: Electro Chemistry
The correct SI unit of molar conductivity is
$S\, cm^{-1}\, mol^{-1}\, L$
$S\, cm^{-1}\, mol^{-1}$
$S\, m^{-1}\, mol^{-1}$
$S\, m^{-1}\, mol$
The correct answer is Option (3) → $S\, m^{-1}\, mol^{-1}$
Molar conductivity (Λₘ) is given by:Λₘ = κ × (1000 / C)
Where:
κ (conductivity) → S m⁻¹
C (concentration) → mol m⁻³
So,
Λₘ = S m⁻¹ × m³ mol⁻¹
= S m² mol⁻¹