JEE Main Chemistry question
In a flask, colourless is in equilibrium with brown coloured . At equilibrium, when the flask is heated to 100°C, the brown colour deepens, and on cooling it becomes less coloured. Which statement is incorrect about this observation?
Answer: (C)
Solution
, so , not 200 cal, making statement (c) the incorrect one. (Heating deepening the brown colour confirms the forward dissociation is favoured by heat, i.e. , consistent with (a); correspondingly, dimerisation — the reverse
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