MHT CET 2026 Chemistry question

Chemistry Thermodynamics MHT CET 2026

For a certain reaction, is -345 kJ and is -123 . At what temperature the change over from spontaneous to non spontaneous will occur

(A)1052 K
(B)1956 K
(C)2568 K
(D)2805 KCorrect

Answer: (D)

Solution

Here and , so is negative (spontaneous) at low temperature and becomes positive (non-spontaneous) at high temperature. The changeover is at equilibrium, : \frac${Δ

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Question ID VK-098476