CBSE Class 12-science Answered
the given questions
![question image](http://images.topperlearning.com/topper/new-ate/top_mob159678159514760342225829331c-8848-4964-a40d-5de1d07eff4a.jpg)
Asked by dr.akanksha0411 | 07 Aug, 2020, 11:56: AM
We can in graph that t1/2 is constant and it is independent of the concentration.
![t subscript 1 divided by 2 end subscript space alpha left parenthesis 1 over a subscript o right parenthesis to the power of n minus 1 end exponent space](https://images.topperlearning.com/topper/tinymce/cache/cae48f2307c97fe4c0b7f96fdb7725ba.png)
Where ao is the initial concentration of the reactant and n is the order of reaction.
For first order reaction, n=1 and t1/2 will be independant of ao. hence, the reaction is of first order. As t1/2 is independant of concentration so it is going to be same.
![Time space required space to space complete space the space reaction space equals 2 straight t subscript 1 divided by 2 end subscript equals 2 cross times 10 equals 20 space minutes](https://images.topperlearning.com/topper/tinymce/cache/b5c047515dd6fc50cf96b4660790cb3f.png)
So, n=1, t=20 minutes
Answered by Ravi | 09 Aug, 2020, 09:55: AM
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