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Q.

A first-order reaction is 50% completed in $1.25 \times 10^{14} s .$ How much time would it take for 100% completion?

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a

$1.26 \times 10^{15} s$

b

$2.52 \times 10^{14} s$

c

$2.52 \times 10^{28} s$

d

Infinite

answer is D.

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Detailed Solution

The reaction will be 100% complete only after infinite time.

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A first-order reaction is 50% completed in 1.25 × 1014 s. How much time would it take for 100% completion?