JEE Main 2026 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 2 April 2026, Shift 1, Chemistry Q75

Question 75 of 75 in this shift, Chemistry question 25 of 25, Section B.

At the transition temperature

T

\mathrm{A\rightleftharpoons B}

and

\Delta G^0=105-35\log T

where A and B are two states of substance X. The transition temperature in

^\circ

C when pressure is

1

atm is __________. (Nearest integer)

Official answer

727

NTA final key.

Chapter: Thermodynamics (Chemistry)
Topic: Gibbs Free Energy
Idea tested: Gibbs Energy in Phase Equilibrium

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.