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Lewis Dot Structure

Which of the ...

Question

Which of the following expression is correct for first order reactions ( $c_{0}$ refers to initial concentration of reactant) ?

t_{1 / 2} \propto c_{0}

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t_{1 / 2} \propto c_{0}^{- 1}

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t_{1 / 2} \propto c_{0}^{- 2}

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t_{1 / 2} \propto c_{0}^{0}

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Solution

The correct option is D $t_{1 / 2} \propto c_{0}^{0}$
As we know,
$t_{(} 1 / 2) \propto c_{0}^{1 - n}$
so for first order
$t_{1 / 2} \propto c_{0}^{0}$

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