Electrochemistry · Chemistry · MHT CET (Biology)

What is the quantity of electricity required to liberate $112 \mathrm{~cm}^3$ of hydrogen gas at STP from acidified water?

Which of the following is selected as cathode for a galvanic cell set up with nickel anode?

The molar conductivity of $0.02 \mathrm{~mol} \mathrm{dm} \mathrm{dm}^{-3}$ solution of sodium hydroxide is $230.5 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$. What is it's conductivity?