KCET 2011 Chemistry Solved Paper

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Question : 33 of 60
 
Marks: +1, -0
The following data were obtained during the first order decomposition of 2A(g)⟶B(g)+C(s) at a constant volume and at a particular temperature.
 Sr. No.  Time  Total pressure in Pascal
 1  At the end of 10‌min  300
 2  After completion  200

The rate constant in min−1 is ......................
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