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Chemical Kinetics

Question
CBSEENCH12006141
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In a reaction 2A → Products, the concentration of A decreases from 0.5 mol to 0.4 mol L–1 in 10 minutes. Calculate the rate during this interval.

Solution
Given that 
Initial concentration [A1] =0.5
Final concentration [A2] =0.4
Time is  = 10 min

Rate of reaction = Rate of disappearance of A.
Rate of reaction = -12∆[A]∆t
                         = - 12(0.4-0.5) mol L-110 minute= 0.1 mol L-15 minutes= 0.005 mol litre-1 min-1.

Some More Questions From Chemical Kinetics Chapter

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A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of the reaction.

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