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  • A first order reaction is 50 percent completed in 1 26 times 1014 s How much time would it take for 100 percent completion

A first-order reaction is 50% completed in 1.26 \times 10^{14} \; s. How much time would it take for 100% completion?

(i)\; 1.26\times 10^{15}\; s

(ii)\; 2.52\times 10^{14}\; s

(iii)\; 2.52\times 10^{28}\; s

(iv) \text {infinite}

Answers (1)

The answer is the option (iv). Since whole of the substance never reacts, reaction is considered 100% complete only after an infinite time that cannot be calculated.

Posted by

infoexpert23

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