Advertisements
Advertisements
प्रश्न
Answer the following in one or two sentences.
Write the relationship between conductivity and molar conductivity and hence unit of molar conductivity.
Advertisements
उत्तर
- The molar conductivity of the given solution is related to conductivity as:
∧ = `"k"/"c"` - The SI units of k are S m-1 and that of c are mol m-3. Hence, the SI units of ∧ is S m2 mol-1
APPEARS IN
संबंधित प्रश्न
The molar conductivity of 0.05 M BaCl2 solution at 25° C is 223Ω-1 cm2 mol-1. What is its conductivity?
Give SI unit of resistivity.
Write relation between electrolytic conductivity and molar conductivity.
Molar conductance of BaCl2, H2SO4 and HCl at infinite dilution are X1, X2 and X3 respectively. Molar conductance of BaSO4 at infinite dilution is ____________.
If resistivity of 0.8 M KCI solution is 2.5 × 10-3 Ω cm. Calculate molar conductivity of solution?
The molar conductance of 0.001 M acetic acid is 50 ohm−1 cm2 mol−1. The limiting molar conductance is 250 ohm−1 cm2 mol−1. What is its degree of ionization?
The resistance of `1/10`M solution is 2.5 × 103 ohm. What is the molar conductivity of solution? (cell constant = 1.25 cm-1).
Which among the following solution has the highest conductivity (k) value?
The SI unit of resistivity and molar conductivity are respectively ____________.
The resistance of a conductivity cell containing 0.001 M KCl solution at 298 K is 1500 Ω. What is the cell constant if conductivity of 0.001 M KCI solution at 298 K is 0.146 × 10−3 S cm−1?
In 2 hours, a certain current liberates 0.504 g hydrogen. How many grams of copper can be deposited by the same current flowing for the same time in a CuSO4 solution?
(Molar mass of Cu = 63.5 g mol−1, H2 = 2.0 g mol−1)
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 unit of electrical conductance?
The value of [H3O+] in mol lit–1 of 0.001 M acetic acid solution (Ka = 1.8 × 10–5) is ______.
Specific conductance of 0.1 M sodium chloride solution is 1.06 × 10−2 ohm−1 cm−1. Its molar conductance in ohm−1 cm2 mol−1 is ______.
What is the SI unit of conductivity?
A conductivity cell filled with 0.02 M AgNO3 gives at 25°C resistance of 947 ohms. If the cell constant is 2.3 cm-1, what is the molar conductivity of 0.02 M AgNO3 at 25°C?
What is the SI unit of molar conductivity?
Write the relation between molar conductivity and molar ionic conductivities for the electrolytes:
- Na2SO4
- AlCl3
Specific conductance of 0.1 M HNO3 is 6.3 × 10−2 ohm−1 cm−1. The molar conductance of the solution is ______.
The resistance of a conductivity cell with cell constant 1.14 cm−1, containing 0.001 M KCl at 298 K is 1500 Ω. The molar conductivity of 0.001 MKCl solution at 298 K in S cm2 mol−1 is ______. (Integer answer)
When electric current is passed through acidified water, 112 mL of hydrogen gas at STP collected at the cathode in 965 seconds. The current passed in amperes is ______.
Which of the following expressions correctly represents molar conductivity?
The molar conductivity of a 0.02 mol dm−3 solution of sodium hydroxide is 230.5 Ω−1 cm2 mol−1. What is its conductivity?
Two solutions have the ratio of their concentrations 0.4 and ratio of their conductivities 0.216. What is the ratio of their molar conductivities?
