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Grade 12Physical Chemistry

Define 'order of a reaction'.

Profile image of tie
11 Years agoGrade 12
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2 Answers

Profile image of Nicho priyatham
ApprovedApproved Tutor Answer11 Years ago
the sum of powers of concentration of reactancts in rate equation is called order of rxn
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Profile image of grenade
ApprovedApproved Tutor Answer11 Years ago
The sum of the exponents (powers) of the concentration of reactants in the rate law expression is termed as order of that chemical reaction. 
ex
for a first order
 
r=k[A]
 
here power is 1 thus first order rxn
 
 
r=k
power of A is zero thus zero order reaction