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AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

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Question : 143

Total: 160

The reaction X → products is a first order reaction. In 40 minutes, the concentration of X changes from 1.0M to 0.25M. What is the initial rate of reaction when [X] = 0.1M ? (log 4 = 0.60)

1.73 × 10−3 mol L−1min−1
3.47 × 10−4 mol L−1min−1
1.73 × 10−4 mol L−1min−1
3.45 × 10−3 mol L−1min−1

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