The units of the rate constant k for a first-order reaction are:
AL² mol⁻² s⁻¹
Bs⁻¹
Cmol L⁻¹ s⁻¹
DL mol⁻¹ s⁻¹
Answer & Solution
Correct answer: B. s⁻¹
First-order: Rate = k[A] → k = Rate/[A] = (mol L⁻¹ s⁻¹)/(mol L⁻¹) = **s⁻¹**.
Related questions
It is observed that for many reactions the rate constant nearly doubles for a rise in tempThe half-life for the radioactive decay of carbon-14 is 5730 years and decay is first ordeIn a pseudo first order reaction, [A]/mol L^-1 reads 0.31 at t = 30 s and 0.17 at t = 60 sIn collision theory, what is meant by the collision frequency (Z)?According to collision theory, in the modified rate expression Rate = P Z_AB e^(-Ea/RT), wHow does a catalyst increase the rate of a chemical reaction?The first order rate constant for decomposition of ethyl iodide is 1.60 x 10^-5 s^-1 at 60The rate constants of a reaction at 500 K and 700 K are 0.02 s^-1 and 0.07 s^-1 respective