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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

In a gaseous phase reaction: , the increase in pressure from 100 mm to 120 mm is noticed in 5 minute. The rate of disappearance of in mm min is:

Answer: (B)

Solution

Let be the pressure of that has reacted in 5 min. Then formed contributes and formed contributes , while itself falls by , so the

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Question ID VK-144612