Which of the following will not conduct electricity in aqueous solution?

For a solution,if $K = 4.41 \times 10^{-5}$ and $C = 0.1 \, M$,then what is the value of $\alpha$?

Aqueous solution of which of the following compounds is the best conductor of electric current?

Dissociation constant and degree of dissociation of a weak acid are $1.8 \times 10^{-5}$ and $0.03$ respectively. What will be the concentration of the solution of the weak acid (in $M$)?

The ionisation constant of a weak acid $(HA)$ in terms of molar conductivity at infinite dilution $(\Lambda _m^\infty)$ and molar conductivity at concentration $C$ $(\Lambda _m)$ is given by:

$HCN$ is $1 \%$ ionized in its $0.2 \ M$ aqueous solution. At the same temperature,what would be its percent ionization in its $0.02 \ M$ aqueous solution?