For a given reaction: aA+bB+cC→Products
Here a,b,c are the stoichiometric coefficients
Choose the correct option:
A
The overall order of reaction is always equal to (a+b+c)
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B
Order of reaction w.r.t. to reactant A may or may not be equal to a
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C
Order of reaction w.r.t. to reactant B is always equal to b
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D
Order of reaction w.r.t. any reactant is always equal to (a+b+c)
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Solution
The correct option is B Order of reaction w.r.t. to reactant A may or may not be equal to a For a given reaction: aA+bB+cC→Products
By experiment,Rate of reaction (r):
r∝[A]x[B]y[C]z
Overall order of the reaction is : (x+y+z) x: Order w.r.t reactant A y: Order w.r.t reactant B z: Order w.r.t reactant C
Here , x,y,z are experimentally determined quantities x may or may not be equal to a y may or may not be equal to b z may or may not be equal to c
So, overall order may or may not be equal to (a+b+c)