The SI/CGS-style units of the **rate of a chemical reaction** are:
AL mol⁻¹ s⁻¹
Bmol dm⁻³ s⁻¹
Cmol L⁻¹
Ds⁻¹
Answer & Solution
Correct answer: B. mol dm⁻³ s⁻¹
Rate = change in concentration / change in time, hence units are concentration/time = mol dm⁻³ s⁻¹ (or mol L⁻¹ s⁻¹).
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