Cyclopropane rearranges to form propene as: Δ⟶CH3−CH=CH2 This follows first order kinetics. The rate constant is 2.714×10−3sec−1. The initial concentration of cyclopropane is 0.29M. What will be the concentration of cyclopropane after 100 sec?
A
0.035M
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B
0.22M
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C
0.145M
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D
0.0018M
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Solution
The correct option is B0.22M A=A0e−kt=0.29e−2.714×10−3×100=0.22M