Geo-Scientist Prelims 2022 Chemistry Q51: Which of the following are essential criteria of a state function?

Which of the following are essential criteria of a state function?

1. The change in the value of a state function depends only on the initial and final states and not on the path taken to go from the initial to the final state.
2. The cyclic integration involving a state function is zero.
3. The state function has an exact differential.
4. Entropy, enthalpy and chemical potential satisfy the requirements of state function.

Select the correct answer using the code given below.

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