Advertisements
Advertisements
Questions
What is the SI unit of molar conductivity?
Derive units of molar conductivity of an electrolytic solution.
Advertisements
Solution 1
The SI unit of molar conductivity `(Lambda = kappa/c)` is S m2 mol−1.
Solution 2
Units of molar conductivity can be derived with the help of Eq.
`Lambda_m = kappa xx V_m`
= `(ohm^-1 cm^-1) xx ((cm^3)/mol)`
= ohm−1 cm2 mol−1
Notes
Students can refer to the provided solutions based on their preferred marks.
APPEARS IN
RELATED QUESTIONS
The molar conductivity of 0.05 M BaCl2 solution at 25° C is 223Ω-1 cm2 mol-1. What is its conductivity?
Choose the most correct option.
Two solutions have the ratio of their concentrations 0.4 and ratio of their conductivities 0.216. The ratio of their molar conductivities will be ______.
Kohlrausch law is applicable for the solution _______.
SI unit of conductivity is _______.
The molar conductivity and conductivity of AgNO3 solution is 121.4 Ω–1 cm2 mol–1 and 2.428 × 10–3 Ω–1 cm–1 at 25 °C. What is molar concentration of AgNO3 solution?
Write an equation that shows the relationship between molar conductivity and degree of dissociation of weak electrolyte.
Write applications of Kohlrausch’s Law.
Write relation between electrolytic conductivity and molar conductivity.
What will be the concentration of NaCl solution, if the molar conductivity and conductivity of NaCl solution is 124.3 Ω−1 cm2 mol−1 and 1.243 × 10−4 Ω−1 cm2 respectively?
The molar conductances at infinite dilution `(∧_0)` for electrolytes B+A− and C+A− are 140 and 120 S cm2 mol−1. The molar conductance at infinite dilution for B+X− is 198 S cm2 mol−1. The `∧_0` (in S cm2 mol−1) of C+X− is __________.
A conductivity cell having cell constant 8.76 cm−1, placed in 0.01 M solution of an electrolyte offered a resistance of 1000 ohms. What is the specific conductance of electrolytes?
The conductivity of 0.02 M solution of NaCl is 2.6 × 10−2 S cm−1. What is its molar conductivity?
Which among the following solution has the highest conductivity (k) value?
What is the common unit of conductivity if the dimensions are expressed in centimeter?
Which of the following graph represents the variation of `∧` with `sqrt"c"` for acetic acid solution?
What is the cell constant of `"N"/10 "KCl"` solution at 25°C, if conductivity and resistance of a solution is 0.0112 Ω−1 cm−1 and 55.0 Ω respectively?
What is the relation between cell constant, conductivity and electrical resistance?
The distance between electrodes of a conductivity cell is 0.98 cm and area of cross section is 1.96 cm2. What is the cell constant?
Conductivity of a conductor is ____________.
What will be the concentration of NaCl solution, if the molar conductivity and conductivity of NaCl solution is 124.3 Ω-1 cm2 mol-1 and 1.243 × 10-4 Ω-1 cm2 respectively?
If the conductivity of 0.08 M KCl solution is 2 × 10-2 Ω-1, what is the molar conductivity of the solution?
The value of [H3O+] in mol lit–1 of 0.001 M acetic acid solution (Ka = 1.8 × 10–5) is ______.
Which of the following has least conductivity in aqueous solution?
Which of the following expressions correctly represents molar conductivity?
