Question

The unit of rate constant for a zero order reaction is:

• A. $s^{-1}$
• B. $mol{L}^{-1}{s}^{-1}$
• C. $Lmo{l}^{-1}{s}^{-1}$
• D. $L^{2}mo{l}^{-2}{s}^{-1}$

Answer 1

The correct option is B $mol{L}^{-1}{s}^{-1}$

For zero order reaction

Rate $=K[A{]}^0$

Rate $=K=\frac{d\left[A\right]}{dt}$

Unit of rate constant $=Unitof\frac{d\left[A\right]}{dt}=\frac{mol{L}^{-1}}{sec}=mol{L}^{-1}se{c}^{-1}$