For a reaction pA + qB → Products, the rate law expression is r = k[A][B]m, Then:
A
(p + q) = (1 + m)
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B
(p + q) > (1 + m)
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C
(p + q) may or may not be equal to (1 + m)
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D
(p + q) ≠ (1 + m)
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Solution
The correct option is C (p + q) may or may not be equal to (1 + m) (p + q) may or may not be equal to (1 + m).
p and q are the stoichiometric coefficients in the balanced chemical equation and l and m are the orders of reaction with respect to A and B respectively. p and q can differ from l and m.