Advertisements
Advertisements
Question
Which of the following electrolytic solution has the least specific conductance?
Options
2N
0.002N
0.02N
0.2N
Solution
0.002N
Explanation:
In general, the specific conductance of an electrolyte decreases with dilution. So, the 0.002N solution has the least specific conductance.
APPEARS IN
RELATED QUESTIONS
The number of electrons that have a total charge of 9650 coulombs is ____________.
Electrolyte | KCl | KNO3 | HCl | NaOAC | NaCl |
Λ_ (S cm mol−1) |
149.9 | 145.0 | 426.2 | 91.0 | 126.5 |
Calculate \[\ce{Λ^∘_{HOAC}}\] using appropriate molar conductances of the electrolytes listed above at infinite dilution in water at 25°C.
Faradays constant is defined as ____________.
The equivalent conductance of `"M"/36` solution of a weak monobasic acid is 6 mho cm2 equivalent−1 and at infinite dilution is 400 mho cm2 equivalent−1. The dissociation constant of this acid is ____________.
Conductivity of a saturated solution of a sparingly soluble salt AB (1 : 1 electrolyte) at 298 K is 1.85 × 10−5 S m−1. Solubility product of the salt AB at 298 K `(Λ_"m"^∘)_"AB"` = 14 × 10−3 S m2 mol−1.
Why does the conductivity of a solution decrease on dilution of the solution?
The conductivity of a 0.01 M solution of a 1 : 1 weak electrolyte at 298 K is 1.5 × 10−4 S cm−1.
i) molar conductivity of the solution
ii) degree of dissociation and the dissociation constant of the weak electrolyte
Given that
\[\ce{λ^∘_{cation}}\] = 248.2 S cm2 mol−1
\[\ce{λ^∘_{anion}}\] = 51.8 S cm2 mol−1
Which of 0.1 M HCl and 0.1 M KCl do you expect to have greater `Λ_"m"^∘` and why?
Why is AC current used instead of DC in measuring the electrolytic conductance?
0.1 M NaCl solution is placed in two different cells having cell constant 0.5 and 0.25 cm−1 respectively. Which of the two will have a greater value of specific conductance.