MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryChemical kineticsRate Law

For a reaction pA + qB ⟶ products, the rate law expression is r = k [A]m [B]n then

A.(p + q) (m + n)

B.(p + q) = (m + n)

C.(p + q) may or not be equal to (m + n)✓ Correct

D.(p + q) > (m + n)

Explanation

Products m n pA qB r k A B -> m and n are order of reactions while p and q are stoichiometric coefficients. For elementary reactions, both can differ. Thus, in general, order may or may not be equal stoichiometric coefficients.

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