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Question

Chemistry Question on Rate of a Chemical Reaction

The unit of rate constant for zero order reaction is

A

s−1{{s}^{-1}}

B

mol L−1s−1 mol\,{{L}^{-1}}{{s}^{-1}}

C

L mol−1s−1 L\,mo{{l}^{-1}}{{s}^{-1}}

D

L2 mol−2s−1{{L}^{2}}\,mo{{l}^{-2}}{{s}^{-1}}

Answer

mol L−1s−1 mol\,{{L}^{-1}}{{s}^{-1}}

Explanation

Solution

Rate =dxdt=k[R0]0=k =\frac{dx}{dt}=k{{[{{R}_{0}}]}^{0}}=k
or k=dxdt=co⁡nc.timek=\frac{dx}{dt}=\frac{\operatorname{co}nc.}{time}
=molL−1s=molL−1s−1=\frac{mol{{L}^{-1}}}{s}=mol{{L}^{-1}}{{s}^{-1}}