Electrochemistry questions
1808 published questions with worked solutions.
- For an electrolyte A_xB_y, the molar conductivity at infinite dilution can be given by
- The molar conductivities at infinite dilution of AgNO_3 , NaCl and NaNO_3 are 116.5, 110.3 and 105.2 mho cm^2 ,mol^ -1...
- The SI unit for ionic mobility is
- The conductivity of N/50 solution of KCl in a cell at 25^ is 0.002765 mho cm^ -1 . If the resistance of a cell containing this...
- The resistance of 0.01 N solution of an electrolyte was found to be 210 ohm at 298 K. Its conductance is
- In "problem 15", the ionic conductance of K^+ ion is
- According to Kohlrausch's law, the limiting value of equivalent conductivity of an electrolyte A_2B is given by
- Limiting molar conductivity of NH_4OH , i.e. ^ _m( NH_4OH ), is equal to
- Ionic mobility (u^ ) of an ion at infinite dilution is related to its ionic conductance ( ^ ) by
- The equivalent conductivity of 0.1 M weak acid is 100 times less than that at infinite dilution. The degree of dissociation of...
- In "problem 15", the limiting mobility of K^+ ion is
- The value of the molar conductance of HCl is greater than that of NaCl at a particular temperature and dilution because
- Variation of equivalent conductivity with concentration of a strong electrolyte is given by the Hückel-Onsager equation,...
- The molar conductivities of HCl, NaCl and CH_3COONa are 425, 188, 96 S ,cm^2 ,mol^ -1 at 298 K. The molar conductivity of...
- The term "infinite dilution" refers to when
- Which modifications are necessary to determine the resistance of a solution by the usual method of measurement on the Wheatstone...
- The ionic conductivities of H^+ and OH^- at 298 K are 349.8 and 198.5 mho cm^2 ,eq^ -1 respectively. The equivalent conductivity...
- The equivalent conductivity of a monobasic acid at infinite dilution is 348 ^ -1 cm^2 ,eq^ -1 . If the resistivity of a solution...
- The conductivity of a 0.1 N KCl solution at 23^ is 0.012 ^ -1 cm^ -1 . The resistance of the cell containing the solution at the...
- Cell constant has the unit
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