Which of the following conducts electricity?

The best conductor of electricity is a $1.0 \, M$ solution of

Which of the following chemical reactions occurs at the anode during the electrolysis of a highly concentrated $H_2SO_4$ solution?

The number of electrons delivered at the cathode during electrolysis by a current of $1 \ A$ in $60 \ s$ is (charge on electron $= 1.60 \times 10^{-19} \ C$)

The charge required for the reduction of $1 \ mol$ of $MnO_4^-$ to $MnO_2$ is ............ $F$.

How many moles of electrons are required for the reduction of $1 \ mole$ of $Cr^{3+}$ to $Cr_{(s)}$?