List of top Chemistry Questions on Electrochemistry asked in KEAM

The limiting molar conductance for aqueous solution of CaCl\(_2\) at 298K is 271.6 S cm\(^2\) mol\(^{-1}\). If the limiting ionic conductance of Ca\(^{2+}\) ion at the same temperature is 119 S cm\(^2\) mol\(^{-1}\) what is the limiting ionic conductance of Cl\(^-\) ion?
Which of the following statement is incorrect about the standard electrode potential?
The mass of Al deposited when 2 ampere current is passed through a solution of $Al_2(SO_4)_3$ for 1 hour is (F = 96500 C)
Find the emf of the reaction at 298K
\( \text{Ni}_{(s)} + 2\text{Ag}^+_{2\times 10^{-3}\text{M}} \rightarrow \text{Ni}^{+2}_{4\times 10^{-2}\text{M}} + 2\text{Ag}_{(s)} \)
\( (\text{E}^0_{\text{cell}} = 1.5 \text{ at } 298\text{K}) \)
Which of the following statement is INCORRECT with Kolbe's electrolytic process?
The electrolyte used in lead storage battery is
Which of the following is the correct order of conductivity (in \( \text{S m}^{-1} \))?
The resistance of 0.10 M KCl solution when measured with a conductivity cell at 298 K is 100 \(\Omega\). If the conductivity of 0.10 M KCl solution is 1.29 S m\(^{-1}\), what is the value of cell constant of the same solution at 298 K
The molar conductivity \((\Lambda_{m})\) acetic acid is \(78.1 \text{S cm}^{2} \text{mol}^{-1}\) . Its degree of dissociation \((\alpha)\) is \((\Lambda_{m}^{0})\) for acetic acid= 390.5 S \(cm^{2} \text{mol}^{-1}\)
The ion with the highest limiting molar conductance at 298 K is
How many moles of platinum will be deposited on the cathode when 0.40 F of electricity is passed through a 1.0 M solution of \(Pt^{4+}\)?
In a lead-acid battery, if 1 A current is passed to charge the battery for 1 h, what is the amount of PbSO$_4$ converted to PbO$_2$? (Given data: 1 F = 96500 C mol$^{-1}$)
How many moles of platinum will be deposited on the cathode when 0.60 F of electricity is passed through a 1.0 M solution of $Pt^{4+}$?}
The values of limiting ionic conductance of H\textsuperscript{+ and HCOO\textsuperscript{--} ions are respectively 347 and 53 S cm\textsuperscript{2} mol\textsuperscript{--1} at 298 K. If the molar conductance of 0.025M methanoic acid at 298 K is 40 S cm\textsuperscript{2} mol\textsuperscript{--1}, the dissociation constant of methanoic acid at 298 K is}
The values of limiting ionic conductance of H\textsuperscript{+ and HCOO\textsuperscript{--} ions are respectively 347 and 53 S cm\textsuperscript{2} mol\textsuperscript{--1} at 298 K. If the molar conductance of 0.025M methanoic acid at 298 K is 40 S cm\textsuperscript{2} mol\textsuperscript{--1}, the dissociation constant of methanoic acid at 298 K is}
The values of limiting ionic conductance of H\textsuperscript{+ and HCOO\textsuperscript{--} ions are respectively 347 and 53 S cm\textsuperscript{2} mol\textsuperscript{--1} at 298 K. If the molar conductance of 0.025M methanoic acid at 298 K is 40 S cm\textsuperscript{2} mol\textsuperscript{--1}, the dissociation constant of methanoic acid at 298 K is}