JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry
At the transition temperature \(T\), \(A \rightleftharpoons B\) and \(\Delta G^0 = 105 - 35\log T\) where \(A\) and \(B\) are two states of substance \(X\). The transition temperature in \(°\)C when pressure is \(1\) atm is _______. (Nearest integer)
- A 725
- B 726
- C 727
- D 728
Answer & Solution
Correct Answer
(C) 727
Step-by-step Solution
Detailed explanation
At the transition temperature and \(1\) atm pressure, the two states \(A\) and \(B\) are in equilibrium. For a phase transition of a pure substance at \(1\) atm, both states are in their standard states, so the reaction quotient \(Q = 1\). Using the relation…
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