Geo-Scientist Prelims 2024 Chemistry Q71: Consider the following statements regarding movement of ions :

Consider the following statements regarding movement of ions :

1. Ionic mobility is inversely proportional to the potential gradient.
2. Ionic mobility is directly proportional to the ionic speed.
3. Transport number of the ions is inversely proportional to the ionic speed.
4. Sum of the transport numbers of ions in a solution is equal to one.

Which of the statements given above are correct?

1. (a) 1 and 2 only
2. (b) 1, 2 and 3
3. (c) 3 and 4
4. (d) 1, 2 and 4