Question

A first order reaction is 50% completed in 1.26 × 10¹⁴ s. How much time would it take for 100% completion?
(a) 1.26 × 10¹⁵ s
(b) 2.52 × 10¹⁴ s
(c) 2.52 × 10²⁸ s
(d) Infinite

Answer 1

I think option B is correct

Answer 2

$\huge\bold{He¥\: Mate}$

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➡️Correct Option -: B,✔️✔️

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@☣️RithWik☣️