Geo-Scientist Prelims 2022 Chemistry Q76: In a conductivity cell of cell constant 0·003 cm⁻¹ containing a…

In a conductivity cell of cell constant 0·003 cm⁻¹ containing a 0·01 M solution of acetic acid, the resistance against ionic mobility is 20 Ω at 25 °C. The degree of dissociation of the acid is (where the molar conductance at infinite dilution = 390 × 10⁻⁴ Ω⁻¹ m² mol⁻¹ at 25 °C)

1. (a) 0·015
2. (b) 0·027
3. (c) 0·038
4. (d) 0·047