हिंदी

SI unit of conductivity is _______. - Chemistry

Advertisements
Advertisements

प्रश्न

SI unit of conductivity is _______.

विकल्प

  • Ω-1 m-1

  • Ω cm-1

  • Ω m-1

  • Ω-1 m2 mol-1

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

SI unit of conductivity is Ω-1 m-1.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Electrochemistry - Multiple choice questions

APPEARS IN

एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
अध्याय 5 Electrochemistry
Multiple choice questions | Q 3

संबंधित प्रश्न

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 ______.


What is a cell constant? What are its units? How is it determined experimentally?


Answer the following in one or two sentences.

Write the relationship between conductivity and molar conductivity and hence unit of molar conductivity.


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 applications of Kohlrausch’s Law.


Write three important steps required to determine molar conductivity.


Calculate molar conductivities at zero concentration for CaCl2 and NaCl.

Given: molar ionic conductivities of Ca2+, Cl, Na+ ions are respectively, 104, 76.4, 50.1 Ω–1 cm–2 mol–1


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 __________.


Which among the following solution has the highest conductivity (k) value?


Conductivity of KCI solution is 0.0027 Ω−1 m−1 at 25°C. The resistance of the solution is 82.4 Ω. The cell constant is ____________ m−1.


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 relation between cell constant, conductivity and electrical resistance?


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 cmrespectively?


What is the conductivity of 0.01 M NaCl solution if resistance and cell constant of NaCl solution are 375 ohms and 0.5 cm-1 respectively at 298 K?


If the conductivity of 0.08 M KCl solution is 2 × 10-2 Ω-1, what is the molar conductivity of the solution?


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 ______.


Which of the following has least conductivity in aqueous solution? 


Calculate molar conductivity for 0.5 M BaCl2 if its conductivity at 298K is 0.01 Ω–1 cm–1.


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?


Explain the determination of molar conductivity of a weak electrolyte at infinite dilution or zero concentration using Kohlrausch's law.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×