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  • For a zero order reaction, which of the following expressions correctly represents the reaction?  Option: 1 <img alt="\mathrm{K=\frac{

For a zero order reaction, which of the following expressions correctly represents the reaction?

 

Option: 1

\mathrm{K=\frac{2.303}{t} x \ln \left(\frac{A _o}{A}\right)}


Option: 2

[\mathrm{A_o}]=[\mathrm{A}]-\mathrm{Kt}


Option: 3

\mathrm{t_{1 / 2}=0.693 / \mathrm{K} }


Option: 4

None of the above


Answers (1)

best_answer

For a zero order reaction, concentration of reactant at any given time t,

A = Ao -Kt     where Ao is initial concentration and t is time elapsed

Expressions given at option 1 and 3 belongs to first order reaction. 

Hence, option (2).

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manish

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