Thu May 26, 2011 By: Hussain Shaikh

how to determine the order of reaction from the any given reaction? show with the help of example?

Expert Reply
Thu May 26, 2011
Since order of a reaction is the sum of powers to which oncentration terms are raised in the rate law expression to express the observed rate of a reaction.
aA + bB + cC ? Products
observed rate of reaction = -dx/dt = k [A]p[B]q [C]r
order of a reaction n = p +q +r
Now p = a or p?a
q = b  or q ? b
r= c or r ? c
further rate law of a reaction is an experimentaly determined quantity.
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