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← JEE Main 2026 · 2 Apr · Shift 1
ChemistryInteger+4 / -1Question 75 of 75

JEE Main 2026 · 2 Apr · Shift 1, Chemistry question 75

At the transition temperature TT, A⇌B\ce{A <=> B} and ΔG0=105−35log⁡T\Delta G^0=105-35\log T where A and B are two states of substance X. The transition temperature in °C when pressure is 1 atm is ________. (Nearest integer)

Answer and worked solution

Official answer: 727

Transition temperature. At 1 atm the two states are in equilibrium, so ΔG0=0\Delta G^0=0: 35log⁡T=10535\log T=105, log⁡T=3\log T=3, T=1000T=1000 K.

In °C. 1000−273=7271000-273=727 °C.

Answer: 727