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  • The half-life for a zero-order reaction having  initial concentration of reactant is <img alt="100 s" src="ht

The half-life for a zero-order reaction having 0.02 M initial concentration of reactant is 100 s. The rate constant (in\ mol L^-^1 s^-^1) for the reaction is

Option: 1

2.0\times 10^{-4}
 


Option: 2

2.0\times 10^{-3}


Option: 3

1.0\times 10^{-2}

 


Option: 4

1.0\times 10^{-4}


Answers (1)

best_answer

For a zero order reaction

t_{\frac{1}{2}}= \frac{[A_o]}{2K}

\Rightarrow 100=\frac{0.02}{2K}

\Rightarrow K=10^{-4}\frac{mol}{lit\: \: sec}

Hence the correct answer is option 4.

 

Posted by

avinash.dongre

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