Question
For a certain reaction, H ^ = 40\ kJ and S ^ = 80\ JK ^ -1 . Find the temperature so that G ^ = 0
MHT CET
Chemistry
Thermodynamics (C)
2026
MHT CET 2026 (18 April Shift 1)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 500\ K
- B. 400\ K
- C. 300\ K
- D. 600\ K
Answer
A. 500\ K
Step-by-step solution
Using the Gibbs free energy equation: G^ = H^ - T S^ For G^ = 0, we get: T = H^ S^ Given H^ = 40\ kJ = 40000\ J and S^ = 80\ J K ^ -1 . Substituting the values: T = 40000 80 = 500\ K Answer: 500\ K
Related: Chemistry — Thermodynamics (C) · All PYQ Banks