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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

At 373 K, a gaseous reaction is found to be of first order. Starting with pure , the total pressure at the end of 10 min was 176 mm and after a long time when was completely dissociated, it was 270 mm. The pressure of at the end of 10 min was

Answer: (B)

Solution

Let be the initial pressure of pure . On complete dissociation, total pressure , so . After 10 min, if is the

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Question ID VK-144442