What is the conductivity of $0.01 \ M$ $NaCl$ solution if the resistance and cell constant of the $NaCl$ solution are $375 \ \Omega$ and $0.5 \ cm^{-1}$ respectively at $298 \ K$?
- A$7.50 \times 10^{-3} \ \Omega^{-1} \ cm^{-1}$
- B$1.333 \times 10^{-3} \ \Omega^{-1} \ cm^{-1}$
- C$1.333 \times 10^{-4} \ \Omega^{-1} \ cm^{-1}$
- D$1.875 \times 10^{-3} \ \Omega^{-1} \ cm^{-1}$
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Match the following:
List-$I$ (Symbol of electrical property) List-$II$ (Units) $A.$ $\wedge_m$ $I.$ $S\,cm^2\,mol^{-1}$ $B.$ $G$ $II.$ $S$ $C.$ $\kappa$ $III.$ $S\,cm^{-1}$ $D.$ $G^*$ $IV.$ $cm^{-1}$
The correct answer is
| List-$I$ (Symbol of electrical property) | List-$II$ (Units) |
|---|---|
| $A.$ $\wedge_m$ | $I.$ $S\,cm^2\,mol^{-1}$ |
| $B.$ $G$ | $II.$ $S$ |
| $C.$ $\kappa$ | $III.$ $S\,cm^{-1}$ |
| $D.$ $G^*$ | $IV.$ $cm^{-1}$ |
The correct answer is
Molar ionic conductivities of a divalent cation and a divalent anion are $57 \ S \ cm^2 \ mol^{-1}$ and $73 \ S \ cm^2 \ mol^{-1}$ respectively. The molar conductivity of a solution of an electrolyte containing these ions will be:
Provide the graph of $\Lambda_{m}$ versus $c^{1/2}$ for aqueous solutions of strong and weak electrolytes,and clarify their differences and uses.
Medium
View SolutionThe molar conductivities $(\lambda_{m}^0)$ at infinite dilution of $KBr$,$HBr$,and $KNH_2$ are $120.5$,$420.6$,and $90.48 \ S \ cm^2 \ mol^{-1}$ respectively. Find the value of $\lambda_{m}^0$ for $NH_3$.
Which of the following decreases on dilution of an electrolytic solution?
Easy
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