Electrochemistry questions
1808 published questions with worked solutions.
- Calculate, using appropriate molar conductances, the molar conductance of CH_3COOH from the molar conductances of the...
- The conductivity of a saturated solution of CaF_2 is 3.86 10^ -5 mho cm^ -1 and that of the water used for the solution is 0.15...
- The ^ of NH_4Cl , NaOH and NaCl are 129.8, 217.4 and 108.9 ^ -1 cm^2 ,eq.^ -1 respectively. The ^ of NH_4OH is ____ ^ -1 cm^2...
- The conductance of a solution of an electrolyte is the same as its conductivity. The cell used can be said to have a cell...
- The fraction of the total current carried by an ion is known as
- The conductivity of N/10 KCl solution at 20^ is 0.0212 ^ -1 cm^ -1 and the resistance of a cell containing this solution at 20^...
- Ionic mobility is equal to
- Which ion has an exceptionally higher ^ value?
- The resistance of 0.5 N solution of an electrolyte in a conductivity cell was found to be 45 ohms. The equivalent conductivity of...
- Kohlrausch's law states that
- Ionic mobility of Ag^+ at infinite dilution is ( ^0_ Ag^+ =5 10^ -3 S ,m^2 ,eq^ -1 )
- Limiting molar ionic conductivities of a uni-univalent electrolyte are 57 and 73. The limiting molar conductivity of the solution...
- A conductivity cell has two platinum electrodes of 1.2 cm^2 area, separated by a distance of 0.8 cm. The cell constant is
- The molar conductivity of acetic acid at infinite dilution is 390.7 and for a 0.1 M acetic acid solution is 5.2 mho cm^2 ,mol^ -1...
- Cell constant of a conductivity cell is usually derived by using a solution of
- The conductance of all the ions present in a solution containing 1 g-equivalent of electrolyte is known as
- Which one is correct about "conductivity water"?
- A 0.04 N solution of a weak acid has conductivity 4.23 10^ -4 mho cm^ -1 . If the degree of dissociation of the acid at this...
- Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al_2(SO_4)_3 , given...
- The number of cells which may be constructed with different E^ _ cell values for the reaction Fe +2 Fe^ 3+ 3 Fe^ 2+ (using the...
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