The incorrect expression among the following is: (A) Total system S G = –T (at constant P) (B) For isothermal process wreversible = –nRT In i f V v (C) InK = RT º S T º H (D) K = e–Gº/RT fuEufyf[kr es

Question

The incorrect expression among the following is:

(A) Total system S G = –T (at constant P)
(B) For isothermal process wreversible = –nRT In i f V v
(C) InK = RT º S T º H
(D) K = e–Gº/RT fuEufyf[kr esa ls xyr O;tad gSA (1) Total system S G = –T (fLFkj P ij) (2) lerkih; izØe wreversible = –nRT In i f V v ds fy, (3) InK = RT º S T º H (4) K = e–Gº/RT

Prashant Kotian · Accepted Answer

Correct answer: C. G = G° + RT n Q at equilibrium Q = Keq and G = 0 G° = –RT n Keq and G° = H° –TS°  H°–TS° = – RT n Keq So, n Keq = –                 RT S T H RT S T H o o o o | JEE MAIN-2021 | DATE : 31-08-2021 (SHIFT-2) | PAPER-1 | OFFICAL PAPER | CHEMISTRY PAGE # 4

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