Water cannot be made conducting by adding a small amount of any of the following,except:

The degree of dissociation of $0.1 \ N$ $CH_3COOH$ is (given $K_a = 1 \times 10^{-5}$) approximately $......$

The degree of ionization of a weak electrolyte increases with:

An example of a strong electrolyte is

The extent of ionization increases:

It has been observed that gaseous hydrogen chloride is a very poor conductor of electricity,but a solution of hydrogen chloride gas in water is a good conductor of electricity. This is due to the fact that: