NCERT Class XII Chemistry
Chapter - Chemical Kinetics
Questions with Solutions
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Question : 31
Total: 39
For the reaction R → P, the concentration of a reactant changes from 0.03 M to 0.02 M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.
Solution:
units of minute,
Average rate= −
= −
= −
= −
= 4 × 10 − 4 M m i n − 1
In units of second,
Average rate= − Δ [ R ] Δ t
= −
= 6.66 × 10 − 6 M s − 1
Average rate
In units of second,
Average rate
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