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Author Topic: Briggs-Rauscher reaction : effect of sulphuric acid  (Read 1279 times)

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avz2611

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Briggs-Rauscher reaction : effect of sulphuric acid
« on: August 20, 2014, 08:14:57 AM »

when we were doing our practicals , we had this particular experiment . I noticed that if i add moore amount of sulphuric acid of same concentration , blue colour is observed late and number of oscillation also decrease . i was not able to give a reason for this . please help
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rwiew

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Re: Briggs-Rauscher reaction : effect of sulphuric acid
« Reply #1 on: August 20, 2014, 09:58:54 AM »

Really cool reaction! Have you found the mechanism for it? Let's write it down and have a look at which steps require the presence of acid. You're increasing the concentration of sulphuric acid in the reaction mixture by adding more, so those steps will be responsible.
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