Geo-Scientist Prelims 2026 Chemistry Q55: Which of the following statements are correct ?

Which of the following statements are correct ?

1. The rate of change of ΔH° with respect to temperature is equal to ΔC°_p
2. For a reaction involving only ideal gases ΔC°_p is independent of temperature
3. \(\Delta_c H^\circ_{298} - \Delta_c U^\circ_{298} = 0\) for glucose
4. When a substance is in its thermodynamic standard state, the substance must be at 25°C

Select the answer using the code given below :

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