Question
Which of the following expressions indicates the correct relationship between molar conductivity of strong electrolyte and its concentration?
MHT CET
Chemistry
Electrochemistry
2026
MHT CET 2026 (20 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. = _0 + c
- B. = _0 - a c
- C. = _0 + a c
- D. = _0 - c
Answer
B. = _0 - a c
Step-by-step solution
The relationship between molar conductivity ( ) and concentration (c) for a strong electrolyte is given by the Debye-Huckel-Onsager equation. The equation is = _0 - a c , where _0 is the limiting molar conductivity at infinite dilution and a is a constant that depends on the nature of the electrolyte, solvent, and temperature. Answer: = _0 - a c
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